Monday

October 20, 2014

October 20, 2014

Number of results: 96,799

**6th grade math**

There are three crowns in the royal cabinet: One for the King, One for the Queen, and one for the Princess. The king's circumference was 21.98 in, the Queen's circumference was 43.96 cm and the Princess' circumference as 392.5 mm. What are the Diameters's for all three crowns?
*April 27, 2011 by Ann*

**circles**

if the circumference is estimated c=3*d and the exact circumference is c=pi*d what would be the radius and the diameter
*September 16, 2012 by gissell*

**math**

can u help this the qustion is : A circle passes through the points (1,4)&(5,0) and its centre lies on the line x+y-3=0.Find (i) the equation of the circle and it parametric equations . (ii) the centre,diameter and area of the circle . (iii) the equation of the tangent at (1,4...
*December 28, 2011 by steev*

**math**

diameter of coin is 26 mm in length find circumference & area of coin.Is 13 the answer for circumference of coin?
*July 23, 2012 by Barb*

**math**

18.Ms. Jones has a garden plot that measures 40ftX 20ft If she increases the garden by 4 ft on each side, by what percent has she increased the plot? 19. A cylindrical can of cleaner holds 1 L of liquid. What is its height if the diameter of the base is 10 cm? 20. Find the ...
*August 28, 2010 by Anonymous*

**geometry**

how do you find the circumference of a circle with the area of 169 pie m squared(in the terms of pie)? Please tell me how to do it. Don't just give me the answer
*January 12, 2009 by jordan*

**math**

a rectangle has a perimeter equal to circumference of a circle of radius 3. if the width of the rectangle is 3, what is the length? a) 3pi-3 b) 4.5pi-3 c)6pi-3 d)9pi-3 e)cannot be determined 3*2*pi=3+3+2x where x=side of rectangle 6pi-6=2x 3pi-3=x
*June 23, 2005 by Christine*

**Circumference,Radius, Diameter**

What is the area of the circle if the radius is 2 cm? A. 3 cm squared B. 6 cm squared C. 10 cm squared D. 12 cm squared I don't really know the answer to this one because I am not sure what the formula for area of a circle is. If I knew the formula the maybe I could figure the...
*March 24, 2008 by Missy*

**mathematics**

The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2.1.1 equation of new circle which is the rotation of original circle through 180 degree around the origin...2.1.2 find equation of another circle which is the translation (x;y)-(x-8;y-6) of the points of the ...
*March 21, 2013 by Jossie*

**mathematics**

The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2.1.1 equation of new circle which is the rotation of original circle through 180 degree around the origin...2.1.2 find equation of another circle which is the translation (x;y)-(x-8;y-6) of the points of the ...
*March 21, 2013 by Jossie*

**mathematics**

The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2.1.1 equation of new circle which is the rotation of original circle through 180 degree around the origin...2.1.2 find equation of another circle which is the translation (x;y)-(x-8;y-6) of the points of the ...
*March 21, 2013 by Jossie*

**Chemistry**

The circumference of the earth is 25,000 mi at the equator. What is the circumference in kilometers? in meter? -- I really don't understand how to concer this. Please help!
*July 21, 2008 by Jecce*

**Math**

Hi. This is my question: An art student wants to make a string collage by connecting six equally spaced points on the circumference of a circle to its center with string. What would be the radian measure of the angle between two adjacent pieces of string, in simplest form? ...
*April 20, 2009 by Ashfia*

**math**

Simplify each expression blow: (a). 18.5 - (4.8 + 0.2)² + 4.1 2= (b). 11.35 + (0.2 3.5 )² - 3.7= ©. On a business trip, Jason bought the following amounts of gasoline: 15.4, 12.2, 13.8, and 10 gallons (gal). How much gasoline did he purchase on the trip? (d...
*January 10, 2009 by rosland*

**5th grade Math**

I have a review question that says: The formula for the circumference of a circle is C = pi x d, where d represents the circle's diameter. Which statementis correct? Would it be D? Wasn't sure if a diameter could have a decimal or fraction. A. the formula only works if d is 1 ...
*March 27, 2012 by Brandi*

**Math**

Cindy has two fourths of a circle and three tenths of a circle. What does she need to make a whole circle?
*October 26, 2009 by Juanita*

**math**

The tangent from point T touches a circle at R.If the radius of the circle i 3cm and T is 5cm from the center of the circle.Calculate/TR/.
*September 17, 2011 by Raha *

**geometry**

IF d equal 18 cm what is the circumference and what is the circumference to the second power.
*June 18, 2010 by glo*

**science**

If the head circumference is 22.75in what is the uncertainty in circumference?
*March 11, 2011 by karrimah*

**8th grade math**

The radius of circle M is 3 times the radius of circle P. If the area of circle P is abotu 27 sq. cm. the area of circle M is about what? (Use 3 as pie) i dont get it. is the scale ratio 3:1?
*January 5, 2009 by brianna*

**Math**

The center of a circle is A(-3,3) an B(1,6) is in the circle. Find the area of the circle in terms of pi. a^2 + b^2 = c^2 radius is 5 and 25pi
*January 23, 2012 by J.R.*

**math**

a circular plate has radius 15cm. every dimension is multiplied by 4 to create a larger, similar plate. how is the ratio of the circumferences related to the ratio of the corresponding dimesions? what is the ratio to the circumferences?(hint: think of circumference as ...
*January 7, 2010 by miah*

**10th grade Math B**

Hi. This is my question: An art student wants to make a string collage by connecting six equally spaced points on the circumference of a circle to its center with string. What would be the radian measure of the angle between two adjacent pieces of string, in simplest form? ...
*April 20, 2009 by Ashfia*

**Math**

I have a question my brother asked me but I need a math expert. You have two interlocking circles and the radius of circle B goes through the center of circle A and of course the radius of circle A goes through the center of circle B. The radius of each circle is 30 feet. Now...
*June 25, 2013 by DrBob222*

**Precalculus**

The figure shows part of a curve traced by a point on the circumference of a circle of radius 4 that rotates, without slipping, around a fixed circle of radius 2. The rotating circle starts with angle t = 0 radians and the point P (x, y) at (10, 0). In this problem you will ...
*January 20, 2012 by Anon*

**math**

mae has a oval racetrack. 2 curves, each is 1/2 of the circle and each on a radius of 21". 2 straight-aways connect the circle and are 46" long. what is the total distance around the circle?
*January 26, 2012 by maddie*

**math**

mae has a oval racetrack. 2 curves, each is 1/2 of the circle and each on a radius of 21". 2 straight-aways connect the circle and are 46" long. what is the total distance around the circle?
*January 26, 2012 by maddie*

**math**

Brilli the ant placed the numbers 1,2,
,n in order clockwise around a circle. She can create an infinite sequence A={aj}∞j=0 of integers by letting a0=k∈{1,2,
,n} and constructing ai+1 from ai by taking the integer that is ai positions clockwise in the circle from ...
*July 16, 2013 by Ron*

**Physics**

Twelve identical point charges are equally spaced around the circumference of a circle of radius 'R'. The circle is centered at the origin. One of the twelve charges, which happens to be on the positive axis, is now moved to the center of the circle. Part A Find the magnitude ...
*February 3, 2011 by Crystal*

**Geometry**

What is the circumference of the circle if the radius is: 5x-My answer was 57(x)pi. What is the radius if the circumference is: 30x(pi)-My answer was 2x. (x + y)pi -My answer (x+y)/7. What is the length of the arc if: radius=3 degree of measurement of arc=6- My answer was pi/9...
*June 14, 2010 by Temperance*

**Math**

Hat sizes are determined by measuring the circumference of the head in either inches or centimeters? use ratio and proportions to complete the following table Hat size =7 Head circumference inches = 22 and Centimeters =56 and If hat size was 6 3/4 Head circumference in inches ...
*July 30, 2010 by Delores*

**Math**

Hat sizes are determined by measuring the circumference of the head in either inches or centimeters? use ratio and proportions to complete the following table Hat size =7 Head circumference inches = 22 and Centimeters =56 and If hat size was 6 3/4 Head circumference in inches ...
*July 30, 2010 by Delores*

**Math (help steve)**

Brilli the ant placed the numbers 1,2,
,n in order clockwise around a circle. She can create an infinite sequence A={aj}∞j=0 of integers by letting a0=k∈{1,2,
,n} and constructing ai+1 from ai by taking the integer that is ai positions clockwise in the circle from ...
*July 16, 2013 by Danny*

**physics**

A block of mass m = 4.30 kg is released from rest from point circle a and slides on the frictionless track shown in the figure below. (Assume ha = 5.20 m.) B=3.20 c=2.00 (a) Determine the block's speed at points circle b and circle c. point circle b Y point circle c (b) ...
*February 23, 2012 by Darcie*

**maths**

Γ 1 is a circle with center O 1 and radius R 1 , Γ 2 is a circle with center O 2 and radius R 2 , and R 2 <R 1 . Γ 2 has O 1 on its circumference. O 1 O 2 intersect Γ 2 again at A . Circles Γ 1 and Γ 2 intersect at points B an
*June 18, 2013 by best*

**maths**

please can some one help me..? Part a - O is the centre of the circle, and P , Q are points on the circumference of the circle, with the angle POQ being a right angle. The radius of the circle is 3 cm. Choose the option that is the area of the smaller sector POQ, correct to 3 ...
*September 11, 2007 by kelly*

**MATH HELP PLEASE**

You are given two different circles. The diameter of the first circle is the radius of the second circle. What is the ratio of the area of the larger circle to the area of the smaller circle. Your answer should be in the form of a simplified fraction. I have no idea where to ...
*September 26, 2011 by PLEASE HELP*

**Math**

Find the area of a circle whose circumference measures 100 cm. Area (to the nearest square centimeter) = cm2 I plugged in everything C = 2 r C=2x3.14x100= 628 <<< The computer said it was WRONG ! Then, I tried C= 2X3.14X50= 314 !!! If I am wrong can you EXPLAIN to me ...
*June 28, 2013 by sarah*

**Math**

A quarter of a circle plus and eighth of a circle is what percent of a circle
*November 16, 2009 by Logan*

**geometry**

For "circle"(O,r) , AP is the tangent at "A belongs to circle", from an exterior point P. Now, OP "intersection" circle = {B}. If BP = 1.6 = AB/5 , Then find diameter of the circle.
*January 21, 2010 by parnas*

**math**

If the circumference of a circle of radius r inches is equal to the perimeter of square with a side length of s inches, r/s= A. 4/π B. 2/π C. √2/π D. √2/π E. 1/2π I need help.
*August 15, 2014 by uo*

**physics**

A patialy moves along half the circumference of a circle of 1 meter radius. Calculate the work done if the force at any point inclined at 60o to the tangent at that point has 5 New tones magnitude
*July 10, 2012 by sunil*

**Math**

Let A, C be the endpoints of the diameter of a circle and B an arbitrary point on the circle. Using the slopes of secant lines show that \ABC is a right angle. You can assume the circle is centered at the origin.
*October 2, 2012 by Kole*

**Math**

The point A (-7, 5) is reflected over the line x = -5, and then is reflected over the line x = 2. What are the coordinates of A'? (7, 19) (10, 5) (7, 5) (10, 19) Question #45 MultipleChoice The vertices of an isosceles triangle are A(3, 6), B(7, 2), and C(4, 3). What is the ...
*January 20, 2012 by Callie*

**astronomy**

if the earths orbit is 1.5x10^8km, determine how fast earth moves along its orbit assume there are 365 days in a year. remember the circumference of a circle is equal to 2pi where r is the radius.
*January 16, 2013 by kristy*

**Circles.**

Ok I'm trying to find the radius of a circle with the given measurement. 4/5C=17 C stands for Circumference. Solve for C (multiply both sides by 5/4) Then, solve for radius R= C/2PI
*July 19, 2007 by Scott*

**geometry**

1. Find the area of the parallelogram. (1 point) 3,302 ft2 3,484 ft2 3,752 ft2 4,020 ft2 2. Find the area of the triangle. (1 point) 21.84 cm2 21.2 cm2 10.92 cm2 10.6 cm2 3. Jorge plans to paint a bedroom wall that is shaped like a trapezoid. The bottom edge of the wall is 22....
*March 16, 2013 by Adia*

**Pre-Calc**

Describe the conditions necessary for the two circles, where circle a has a larger radius than circle b, to have no points of intersection, while each circle is entirely in the exterior of the other circle.
*November 17, 2009 by Anonymous*

**Geometry**

find the circumference of the figure, Give both the exact value and an approximation to the nearest hundredth. Circle 6.6km I am just learning this and a teacher is using inches but the textbook has metrics and I never learned the metric system Please Help!
*March 28, 2011 by Jeannie*

**Math**

Mr. Anderson has a whirling sprinkler for watering his lawn. The sprinkler waters a circle whose length from the sprinkler to the edge of what is 12 meters. Find the area of the lawn that he can sprinkle at one time. I know it says find the area but my teacher said something ...
*February 24, 2014 by Anthony*

**Matheematics: Circles And Circumference**

you have two coins with a total circumference of 116.18 millimeters. How much money do you have? Please Help
*January 29, 2012 by Ayana Reid*

**geometry**

balloon has a circumference of 23 cm. Use the circumference to approximate the surface area of the balloon to the nearest square centimeter.
*May 9, 2014 by Anonymous*

**4th grade math**

The distance from the pole in the center of the tetherball circle to the painted circle was about six feet. What was the approximate radius of the tetherball circle? Thank you. A. 12 ft B. 4 yd C. 3 ft D. 2 yd
*December 14, 2008 by Mary*

**Math**

Rosario noticed that the distance from the pole in the center of the tetherball circle to the painted circle was about six feet.What was the approximate radius of the tetherball circle?
*November 11, 2010 by Daijiana*

**Math**

Answer check please: Consider the circle (x-3)^2 + (y+1)^2 = 169. The point (15,4) is on the circle. Find an equation for the line that is tangent to the circle at this point. I got y= 5/12x-9/4.
*August 26, 2012 by KC*

**Math ?**

I started a new math class today and I'm stuck on a problem from my worksheet. I need help with these questions. If the measure of an exterior angle drawn at vertex M of triangle LMN is x, then mangleL + mangleN is what? What is the area of a circle with the circumference of ...
*August 21, 2006 by Rebecca*

**Math**

If a dart is thrown at a square target with a circle inscribed in it such that each side of the square is tangent to the circle, what is the approximate probability that the ball will hit inside the circle?
*August 22, 2011 by Amy*

**math**

two circles intersect at point T.if the small circle has a raduis of 4 and C is the center of the larger circle,then the diameter of the larger circle must be 1]4 2] 8 3] 12 4]16 5] not enough information is given
*November 15, 2012 by pierre*

**Updated Math Question**

The radius of circle A is 9 times greater than the radius of circle B. Which of the following statements is true? A.The area of circle B is 9 times greater than the area of circle A. B.The area of circle A is 9 times greater than the area of circle B C.The area of circle B is...
*July 18, 2012 by Kim*

**Geometry**

1. Find the diameter of a circle with a circumference of 50 mm. Round your answer to the nearest tenth. a) 16.0 mm b) 26.4 mm c) 8.4 mm d) 33.5 mm 2. Find the area of the circle with the given radius or diameter. Round your answer to the nearest tenth. Diameter = 42.0 mm a) ...
*February 26, 2013 by Sandy*

**math**

a triangle with side lengths 26, 28, and 30 is constructed so that the longest and shortest sides are tangent to a circle. the third side passes throught the center of the circle. compute the radius of the circle
*January 10, 2011 by LULU*

**math...2 word problems**

Two questions: (1) In a class every boy is friends with exactly 3 girls. Every girl is friends with exactly 2 boys. There are only 19 desks (each holding at most two students), and 31 of the students in the class study French. How many students are there? (2) A smaller circle ...
*June 17, 2009 by M.A.*

**physics**

A roller-coaster car of mass 1.80 103 kg is initially at the top of a rise at point circle a. It then moves 40.8 m at an angle of 50.0° below the horizontal to a lower point circle b. (a) Find both the potential energy of the system when the car is at points circle a and ...
*March 4, 2014 by sarah*

**math**

Finding rate in math.... Rate=distance/time So if the distance is a circumference which in this case is 10 pie, and the time is 10 seconds. You multiply 10 and the circumference but is the 10 seconds TEN or 1/6
*December 6, 2011 by HOROSH*

**math**

-a circle with center at the point O(0,0) also has the point P(-2,3) on it. The equation of this circle is? and a second question: -A circle has a center of square root 5. The equation of this circle is? Please help me.
*October 9, 2008 by Garrick*

**math **

Function M described by M(x)= 3x+16 can be used to predict the circumference of the waist of a male in x inches who is obese . Predict the circumference of a males waist whose inches are 49 would this be 3(49)+16=163 I hope I did this right
*September 2, 2011 by katie *

**math**

two fourths of a circle plus two tenths of a circle is what decimal part of a whole circle?
*September 20, 2012 by Carol*

**Math**

The triangle below has a height of 12 feet and a base of 9 feet. What is the area of the triangle? A.108 B.54 C.21 D.30 B? If the area of a square is 81 square meters which formula would you use to calculate the perimeter of the square? A.p=lxw B.p=s+s C.p=4(s) D.Not here C? ...
*March 6, 2013 by Jerald*

**math**

how do u compare a circle and an image of the circle? I'm not quite sure what you are asking. If you have a circle, it is typically represented by its image. If possible, please repost with a more detailed question. I hope this helps a little. Thanks for asking. yes
*October 26, 2006 by chemiii*

**MATH!!!!**

A triangle with side lengths 26, 28, and 30 is constructed so that the longest and shortest sides are tangent to a circle. the third side passes through the center of the circle. compute the radius of the circle. I DONT KNOW HOW TO DO THIS AT ALL....
*January 28, 2011 by Diana*

**Math**

The points (4, 5) and ( 4, 1) are endpoints of a diameter of a circle. (a) Find the center of the circle. (b) Find the length of the radius of the circle. (Note that this is a distance.) Give the exact answer. Show work. (c) State the equation of the circle (in standard form...
*June 24, 2009 by Kate*

**trig**

an art student wants to make a string collage by connecting six equally spaced points on the circumference of a circle to its center with sting. What would be the radian measure of the angle between two adjacent pieces of string, in simplest form?
*February 24, 2011 by ganash*

**maths**

1) Circle centre (7,-2) passes through (-2,10). Calculate radius and find equation of circle. 2) AB is diameter of circle A(9,5) B(-1,-7). Find equation of circle mid point. I know i have to use the eqn (x1+x2)/2 and (y1+y2)/2 3) Find the equation of circle with centre (-8,5...
*February 24, 2008 by Anonymous*

**192**

a pizza has a radius of 9inches. the pizza is divided into sections. one of the section has a central angle with a measure of 60 degrees wat is da area of this section of pizza? what happens to the area of the sector if u double the central angel? how much greater in feet is ...
*April 11, 2011 by kelvin*

**geometry**

m<S=30, m(arc)RS=84,and RU is tangent to the circle at R find m<U. It's a circle with a triangle inscribed, only the s and r lie on the circle and u extends past circle. can someone help i do not know or understand these problems answers 27 12 54 24 m(arcDE=123 and m(...
*May 14, 2012 by lilman*

**geometry**

In the diagram, circle A is tangent to circle C, and segment BE is tangent to circle A. The radius of circle A is 11 meters and the radius of circle C is 8 meters. Find the area of triangle ABE to the nearest square meter.
*April 4, 2013 by joe*

**Maths**

2014 numbers are placed along the circumference of a circle. When any five successive numbers are added, the total is always 40. What are these 2014 numbers? Please explain how you figured this out. Working is really appreciated.
*June 7, 2014 by Tanvi*

**Math**

I am supposed to find the area of the shaded section of a circle. The circle is cut with two radi with an angle of 60 degrees. Then where the radi touch the circle another line is drawn to connect them. The triangle and the small section between the triangle and the edge of ...
*December 16, 2009 by Punkie*

**Computer Science (Basics)**

public class Circumference { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub ; final double PI = 3.14159; int radius = 10; double area = PI * radius *radius; double circum = 2 * PI * radius; System.out.println("The area of a ...
*September 14, 2008 by Mike*

**Geomatric series**

A fractal is created: A circle is drawn with radius 8 cm. Another circle is drawn with half the radius of the previous circle. The new circle is tangent to the previous circle. Suppose this pattern continues through five steps. What is the sum of the areas of the circles? ...
*November 25, 2012 by HanuMath25/11*

**Circle geometry**

Please help Explain how I figure this out. A circle has diameter 70cm. A chord in the circle is 50cm long. How far is the chord from the center of the circle? I have been stuck on this for days. I appreciate any help. Thank you!!
*April 10, 2014 by Cherie*

**math**

The dimensions of circle B are three times the dimensions of circle A. The area of circle A is 49 cm2. What is the area of circle B?
*March 13, 2013 by tatyana*

**math trigonometry**

There is a small circle and a big circle. A small circle has a radius of 1.5. What is the area of the big circle?
*March 26, 2013 by joshua joyo*

**geometry maths**

a circle of radius 1 is inscribed in a square. A smaller circle is tangent to two sides of the square and the first circle. Determine the radius of smaller circle and larger circle
*April 3, 2014 by praddy*

**math**

We have a circle that has 270 degrees listed outside the circle at the top left. Inside the circle at the bottom right side is a an angle inside the circle with a P. Find the measure of Angle P. Would this be that we take 360-270 to get the measure of Angle P?
*December 7, 2010 by m*

**Math**

Hi guys, In the question "It is given that P (0, 3), Q(7, 5), R(9, -2) and S are vertices of a square. A circle A passes through the points P, Q, R and S. Find the equation of this circle. Hence or otherwise find the equation of circle B which is the image of A under the ...
*October 17, 2008 by Joshua*

**area of circle**

The radius of a circle is 8ft. I have 60ft of tile. Is this enough to cover circle. Do you mean you have 60 SQUARE feet of tile? The circle's area is much more than that. How would you find he angle to a circle if half of it is 12 in. ??? and how owuld you find the area of a ...
*March 5, 2007 by jodie*

**math (pre clac)**

so its this picture of a rectangle inscribed in a circle. the circle has a radius of 2. the vertexes of the circle are present in every quadrant, but you cant tell exactly whgat point they represent. point Q (x,y) is the vertex of the rectangle in Quadrant I and is on the ...
*April 25, 2008 by Alexis*

**math**

From an exteror point P that is h units form a circle of radius r, a tangent line is drawn to the circle. Let d denote the distance from the point P to the point of tangency T. Express d as a function of h.(HINT: if C is the center of the circle, the PT is perpendicular to CT)
*January 30, 2012 by brittany*

**steev**

can u help this the qustion is : A circle passes through the points (1,4)&(5,0) and its centre lies on the line x+y-3=0.Find (i) the equation of the circle and it parametric equations . (ii) the centre,diameter and area of the circle . (iii) the equation of the tangent at (1,4...
*December 28, 2011 by math *

**algebra**

Write and solve an inequality to find the approximate circumference of Earth using the following information - the 4 million miles of public roads in the U.S. would: Reach to the moon and back more than eight times, circle the globe more than 157 times
*September 29, 2010 by Ashley*

**physics help**

a particle moves uniformly around the circumference of a circle whose radius is 8 cm with a period of pi/20 s. the angular velocity w of the particle is a. 2.5 rad/s b. 3.2 X 10^2 rad/s c. 40 rad/s d. 7.9 rad/s e. 96 rad/s please explain thanks!
*December 14, 2008 by rory*

**math**

the main trunk of a tree is in the shape of a cylinder. The distance around its cross section is 47.1cm and its height is 0.7m. What is the radius of the cross section? I know i have the height and circumference, would i divide the circumference by 4 to get the radius? how ...
*November 10, 2008 by sidlord*

**maths**

1 .Find formula the perimeter and area of a semicircle ? 2.Find formula the area of a circle whose circumference ?
*March 23, 2008 by MTH*

**math b**

how to find if line rp is tangent to circle 0 at p, and the circle bisects 0r at point m. if tangent segment rp has a length of a radius of circle o how do i find the radcal form and the nearsest hundreth
*November 16, 2008 by jeannine*

**math**

Ellen placed a string from one point on a circle, through the center, and to a point on the other side of the circle.Approximately how many times can this length of string fit around the outside of the circle?
*March 8, 2012 by gary*

**MATHS**

two circles c1 and c2 meet at the points A and B. CD is a common tangent to these circles where C and D lie on the circumference of C1 and C2 respectively. CA is the tangent to c2 at A. When produced DB meets the circumference of C1 at p. Prove that PC is parallel to AD
*August 18, 2011 by JJ*

**geometry**

The diameter of Earth is 12,742 kilometers; the diameter of the moon is 3476 kilometers. a. If you flew around Earth by following the equator at a height of 10 kilometers, how many trips around the Moon could you take in the same amount of time, at the same height from the ...
*March 4, 2012 by kim*

**math**

What makes a circle different from a cylinder? A circle is one-dimensional. You can draw a circle on a piece of paper. A cylinder is three-dimensional. It has volume.
*August 1, 2005 by eleqsander*

**Geometry**

Find the area of the following circle. ( = 3.14; round answer to the nearest whole number). Circumference = 120 cm. (Hint: Find r from C = 2r (round r to tenths); then find area).
*January 16, 2011 by Ivan*

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