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April 16, 2014

April 16, 2014

**Recent Homework Questions About Geometry**

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**Geometry**

area of large pizza = π(8^2) = 64π let radius of smaller pizza be r 2πr^2 = 64π r^2 = 32 r = √32 = appr 5.65.. So to the nearest inch the diameter would be 11 inches check: one small pizza: π(5.5)^2 = appr 95 so two of them is 190 large pizza...
*Wednesday, June 5, 2013 at 2:56pm*

**Geometry **

To the nearest inch, what is the diameter of a minipizza if two minis have the same area as one 16-inch pizza?
*Wednesday, June 5, 2013 at 2:42pm*

**Chemistry**

What is the molecular geometry of PCl3 a. trigonal pyramidal b. see-saw c. tetrahedral d. T-shape
*Wednesday, June 5, 2013 at 10:56am*

**Geometry**

Triangle ABC has side lengths AB=8, BC=12 and CA=14. Given that D, E and F are midpoints of BC, CA and AB, respectively. Find the value of AD^2+BE^2+CF^2.
*Wednesday, June 5, 2013 at 5:27am*

**Geometry and combiantorics.**

yes randy morico is correct
*Wednesday, June 5, 2013 at 4:48am*

**Geometry and combiantorics.**

Since the player not able to make a move loses, the first player wins if and only if is even
*Wednesday, June 5, 2013 at 1:58am*

**Geometry and combiantorics.**

its 300
*Wednesday, June 5, 2013 at 1:53am*

**Geometry and combiantorics.**

its 300
*Wednesday, June 5, 2013 at 1:53am*

**Geometry and combiantorics.**

If m=2 and player 1 slices the rectangle into two long strips of width 1, there will always be an even number of slices left. Therefore, there are automatically at least 20 answers. Add 19 to that if you flip m and n and there are 39 answers that correspond to (m,n)=2.
*Tuesday, June 4, 2013 at 6:47pm*

**Geometry**

Triangle ABC has side lengths AB=8, BC=12 and CA=14. Given that D, E and F are midpoints of BC, CA and AB, respectively. Find the value of AD^2+BE^2+CF^2.
*Tuesday, June 4, 2013 at 12:08pm*

**Geometry**

80° = 80/360 = 2/9 of a circle 15π = 2/9 * 2πr r = 15*9/4 a = πr^2
*Tuesday, June 4, 2013 at 11:22am*

**Geometry and combiantorics.**

20 is wrong
*Tuesday, June 4, 2013 at 8:17am*

**Geometry **

If a length of an arc with measure 80 is 15 pi inches long, find the area of the circle.
*Monday, June 3, 2013 at 10:40pm*

**Geometry and combiantorics.**

anybody else acquiesces with me?
*Monday, June 3, 2013 at 4:47pm*

**Geometry and combiantorics.**

should be 20
*Monday, June 3, 2013 at 4:43pm*

**Geometry and combiantorics.**

The game Slice is played using a m×n rectangular piece of paper as a board. Players alternate turns, on each turn they choose a rectangle and cut it into two rectangles, each with integer side lengths. The last player who is able to cut a rectangle is the winner. If 1&#...
*Monday, June 3, 2013 at 4:11pm*

**chemistry**

the molecular geometry is tetrahedral..but the structure is trigonal pyramid i.e. three surrounding atom with 1 lone pair of electron around As. but the overall arrangement of the electron density is tetrahedral (four sites occupied). trigonal planar structure exist in ...
*Sunday, June 2, 2013 at 7:54am*

**Geometry**

The largest area a given perimeter can enclose is a circle. The largest area of a rectangle for a given perimeter is a square. The question did not specify that the area be a polygon, so the circle gives the largest area. 2πr=18 r=18/2π=9/π Therefore largest area =&pi...
*Saturday, June 1, 2013 at 10:40am*

**chemistry**

1)What is the correct structure of AsH3???? 2)Name the type of hybrid orbitals of central form. 3) Name the molecular geometry of compound. 4)State weather it is polar or non polar. 5) Estimate H-As-h bond angle in degree. 6) what is the dominant form of secondary bonding for ...
*Saturday, June 1, 2013 at 7:38am*

**heeeeeeelp geometry**

In a triangle ABC, BK is an angle bisector. A circle with radius 5/3 passes through the vertex B, intersects AB at a point L, and is tangent to AC at K. It is known that the length of AC is 3√3, and the ratio of the lengths |AK| to |BL| is 6:5. The area of the triangle ...
*Saturday, June 1, 2013 at 6:24am*

**geometry**

If you are describing a triangle DEF with D a right angle, then it's a 6-8-10 triangle. So, ED = 10. However, in that case angle E is not 25°, so what's wrong with this picture?
*Friday, May 31, 2013 at 2:16pm*

**geometry**

how to solve angle D is 90 degrees and angle E is 25 degrees side DE is 8 cm and side DF is 6 cm what is side ED
*Friday, May 31, 2013 at 1:13pm*

**Geometry**

rectangle with largest area is a square.
*Friday, May 31, 2013 at 10:28am*

**Geometry**

given 18 feet of fencing what is the largest area that you can enclose with the fencing.
*Friday, May 31, 2013 at 10:26am*

**Geometry**

given 18 feet of fencing what is the largest area that you can enclose with the fencing.
*Friday, May 31, 2013 at 10:22am*

**geometry**

ho
*Thursday, May 30, 2013 at 9:11pm*

**geometry**

Since 110 = 49+36+25, use the 28,24,20 inch cakes
*Thursday, May 30, 2013 at 3:47pm*

**geometry**

Xenia is ordering a cake for her friend’s wedding. She knows that there will be 110 guests at the wedding, and she is trying to decide how large a cake to order. She has been told that each guest should get a piece of cake that is 4 inches by 4 inches. She would like to ...
*Thursday, May 30, 2013 at 3:28pm*

**Maths (Geometry)**

20
*Thursday, May 30, 2013 at 10:43am*

**geometry**

the surface area of two similar objects is proportioal to the square of their sides the volume of two similar objects is proportional to the cube of their sides so ratio of sides of smaller : larger = √340 : √1158 so volume smaller/volume of larger = (√340)^3...
*Thursday, May 30, 2013 at 8:08am*

**geometry**

the surface areas of two similar solids are 340 yd2 and 1158 yd2 the volume of the larger solids is 1712 yd3 what is the volume of the smaller solid?
*Thursday, May 30, 2013 at 7:47am*

**Geometry Honors**

1 ok 2 never 3 ok 4 never 5 ok
*Wednesday, May 29, 2013 at 12:36pm*

**Geometry**

You should rethink 4. 2. is 'sometimes'. Consider the isosceles case. 3. is true because of the law of sines
*Wednesday, May 29, 2013 at 8:57am*

**Maths (Geometry)**

P is a point in rectangle ABCD. The distance from P to the 4 vertices of the rectangle are 7,15,24 and N in some order. If N is an integer, determine the value of N.
*Wednesday, May 29, 2013 at 4:24am*

**Geometry Honors**

Can someone help me with Always, Sometimes, Never questions?? I have answered all of these, but I am not sure if they are right. 1. The base angle of an isosceles triangle are acute----Always 2. When the altitude and the median are drawn from the same vertex of a triangle, the...
*Tuesday, May 28, 2013 at 9:34pm*

**Geometry**

Can you help me with Always, Sometimes, Never questions?? I have answered all of these, but I am not sure if they are right. 1. The base angle of an isosceles triangle are acute----Always 2. When the altitude and the median are drawn from the same vertex of a triangle, the ...
*Tuesday, May 28, 2013 at 9:02pm*

**geometry**

Create (give dimensions, not build) a 3-D model. Calculate the total cost if its volume is $3/cm cubed , its suface area is $2.50/cm squared, and its edges are $1/linear cm. The objective is to get $1000 exacly
*Tuesday, May 28, 2013 at 7:00pm*

**geometry need asap**

Hannah, you have posted this several times. It says "as shown" but of course you cannot show pictures in this format. The above description is totally inadequate. You gave a slightly better description in an earlier post, and it was answered by Steve as best as ...
*Tuesday, May 28, 2013 at 11:30am*

**geometry need asap**

A manufacturer made a container that looked like the Washington Monument to fill with raisins, as shown. Find the volume of the container the sides on the bottom are 2 inches for the base and the height is 7 inches
*Tuesday, May 28, 2013 at 11:15am*

**geometry**

A manufacturer made a container that looked like the Washington Monument to fill with raisins, as shown. Find the volume of the container the sides on the bottom are 2 inches for the base and the height is 7 inches
*Tuesday, May 28, 2013 at 7:38am*

**geometry **

I need to find the height and volume of a triangular prism. the front measures 8 cm and the side is 19 cm.
*Tuesday, May 28, 2013 at 7:36am*

**geometry**

Study this site. http://math.about.com/od/formulas/ss/surfaceareavol_2.htm
*Monday, May 27, 2013 at 10:25pm*

**geometry**

Find the surface area of the cone. in pie the radius is 3 cn the height is 18
*Monday, May 27, 2013 at 10:18pm*

**geometry**

16.3 is the length of the base rounded to the nearest tenth. 3.14 x 7.5 x 7.5 x 12 = 2119.50 16.28 x 16.28 x 8 =2,120.3
*Monday, May 27, 2013 at 10:05pm*

**geometry **

I need to find the base, height, and volume of a triangu;ar prism. the front is 8 cm and the side bottom line is 19 cm
*Monday, May 27, 2013 at 9:26pm*

**geo**

geometry
*Monday, May 27, 2013 at 11:08am*

**geometry**

A manufacturer made a container that looked like the Washington Monument to fill with raisins, as shown. Find the volume of the container. The base has the front and sides as 2 and 2 inches the height is 5 in and the 2 inches.
*Monday, May 27, 2013 at 12:33am*

**geometry**

You could have easily seen that I made a calculation error (1/3)π(64)(17) is correct, but then I must have divided by 2 instead of by 3 clearly it should have been 10880π/3
*Sunday, May 26, 2013 at 11:55pm*

**geometry**

these are the answer I have to pick from for volume 1088/3 pi feet cubed 960 pi feet cubed 320 pi feet cubed 1088 pi feet cubed
*Sunday, May 26, 2013 at 11:22pm*

**geometry**

area of the base = area of the circle with radius 8 = π(8^2) = 64π units Volume = (1/3)πr^2 h = (1/3)π(64)(17) = 544π units^2
*Sunday, May 26, 2013 at 11:18pm*

**geometry **

Find the area of the base and the volume of a cone. the height is 17 and the radius is 8. my answer needs to be in pie
*Sunday, May 26, 2013 at 11:02pm*

**geometry**

The area of the base of a cylinder is a circle. The height is not part of the base. A = pi * r^2
*Sunday, May 26, 2013 at 10:50pm*

**geometry **

I need to find the area of a base of a cylinder. The height is 9 and the radius is 3.
*Sunday, May 26, 2013 at 10:44pm*

**geometry**

Let's start over. Two walls are 12 feet by 7 feet. A = 2(12 * 7) = 168 square feet Two walls are 15 feet by 7 feet. A = 2 (15 * 7) = 210 square feet 210 + 168 = 378 square feet of walls It sounds like just one gallon of paint will cover the four walls.
*Sunday, May 26, 2013 at 9:20pm*

**geometry**

12 x 15 x 7 =450 would it be 2.8 galloons
*Sunday, May 26, 2013 at 9:15pm*

**geometry**

No. Picture each wall as a rectangle. Find the area of each wall. What about the height of the walls?
*Sunday, May 26, 2013 at 9:09pm*

**geometry**

12x 12 x15x15
*Sunday, May 26, 2013 at 9:04pm*

**geometry**

How do you think this problem should be solved? Remember: there are two walls of one size and two walls of another size.
*Sunday, May 26, 2013 at 8:58pm*

**geometry **

The floor of a bedroom is 12 feet by 15 feet and the walls are 7 feet high. One gallon of paint covers 450 square feet. How many gallons of paint do you need to paint the walls of the bedroom?
*Sunday, May 26, 2013 at 8:56pm*

**geometry**

Right >> 128 cubic feet
*Sunday, May 26, 2013 at 8:27pm*

**geometry**

Right
*Sunday, May 26, 2013 at 8:26pm*

**geometry**

sa =4 x 3.14x 9^2 sa = 324 pie
*Sunday, May 26, 2013 at 8:24pm*

**geometry**

SA = 4 * pi * r^2 http://www.math.com/tables/geometry/surfareas.htm Remember, the radius is half the diameter. I'll be glad to check your answer.
*Sunday, May 26, 2013 at 8:20pm*

**geometry **

Find the SURFACE AREA of a sphere that has a diameter of 18 centimeters. Leave your answer in terms of pi.
*Sunday, May 26, 2013 at 8:18pm*

**Geometry**

Without knowing the 8 steps to which you are referring, you can do the following: Factor both numerator and denominator: R(x)=(x-5)(x+6)/[(x-5)(x+4)] You will find the zeroes and asymptotes. Since there is a common factor (x-5), the point f(5) is indeterminate and should be ...
*Sunday, May 26, 2013 at 9:19am*

**geometry help**

Make a line segment OE. Since OE=OB, angle OEB = angle OBE. This implies that angle FEC = 90 - angle OEB = 90 - angle OBE = angle DFB = angle EFC. Thus angle FEC = angle EFC. Thus EC = CF = 110. Now in right angle triangle CEO, CE = 110, OE = 96. By Pythagoras's theorem OC...
*Sunday, May 26, 2013 at 4:25am*

**Geometry**

using the 8 steps in Sec 4.3 of your book, analyze the graph of the following function. R(x)= x^2+x-30/ x^2-x-20
*Saturday, May 25, 2013 at 11:14pm*

**geometry help**

234
*Saturday, May 25, 2013 at 10:38am*

**How to get quick responses to your math questions**

Math is a wide subject, ranging from K to 11, college and university. Then there is algebra, trigonometry, geometry, arithmetic, calculus, number theory, ... etc. Not all teachers answer all math questions (many do). If you would give a little more detail on which branch of ...
*Saturday, May 25, 2013 at 9:45am*

**Physics**

Regarding Q2, e and f -> The energy is 1/2*Q^2*C. We have Q at this oment of time and C comes out from the geometry of the capacitor. Now, guess what - it's wrong. Any ideas?
*Saturday, May 25, 2013 at 7:42am*

**geometry - missing information**

To scale or not, we don't get to see it. So we depend on you to describe the figure.
*Friday, May 24, 2013 at 8:03pm*

**geometry **

Assume that lines that appear to be tangent are tangent. O is the center of the circle. Find the value of x. Figures are not drawn to scale. m<P=14
*Friday, May 24, 2013 at 2:31pm*

**Geometry**

What is the measure of m<JIH ? FE = 7.5 cm IJ = 7.5 cm m < FGE = 28 degrees A. 124° B. 56° C. 28° D. 62°
*Friday, May 24, 2013 at 2:23pm*

**Math (geometry)**

There are 9 40° angles in a circle, so the nonagon consists of 9 isosceles triangles, having angles of 40,70,70. The radius is r, where 6.42/r = cos20°
*Friday, May 24, 2013 at 11:25am*

**Geometry**

What is the area semi-circle piece of glass for Norman glass when the width is 3ft. and the length is 4ft? Radius is not known.
*Friday, May 24, 2013 at 11:07am*

**geometry help**

156
*Thursday, May 23, 2013 at 11:25pm*

**geometry help**

wrong answer..
*Thursday, May 23, 2013 at 11:01pm*

**Math (geometry)**

How do I find the radius of a regular nonagon with an apothem of length 6.42in.
*Thursday, May 23, 2013 at 9:35pm*

**Engineering**

The bar in the figure has constant cross sectional area A. The top third of the bar, of length L, is made of a material with mass density ρ and Young's modulus E. The bottom two thirds of the bar (length 2L) is made of a different material, with density ρ/2 and ...
*Thursday, May 23, 2013 at 2:00pm*

**Geometry**

factor the areas to see that 15 = 3*5 25 = 5*5 60 = 12*5 Hmm. No obvious integer solutions 15 = 6 * 5/2 25 = 5/2 * 10 60 = 10 * 6 v = 2.5 x 6 x 10 = 150
*Thursday, May 23, 2013 at 11:19am*

**geometry**

lwh = 250 l(2w)(3h) = 6lwh = 6(250) = 1500
*Thursday, May 23, 2013 at 10:55am*

**geometry**

I guess you could also do this by finding the intersection of (x-6)^2 + (y-6)^2 = 36 and y=x the answers are the same.
*Thursday, May 23, 2013 at 10:38am*

**geometry**

equidistant from the x,y axes means that if (x,y) is one point, y=x or y=-x on the line y=x, if the distance from (6,6) is 6, then the x- and y-distances are ±6/√2. So, (6-6/√2,6-6/√2) and (6+6/√2,6+6/√2) are two such points. Points on the ...
*Thursday, May 23, 2013 at 10:37am*

**geometry!!!! PLEASE HELP!!!!**

answer is 89
*Thursday, May 23, 2013 at 7:11am*

**geometry**

A rectangular prism has a volume of 250 cubic cm.What would the volume be if one dimension stayed the same, a second dimension was three times as long, and the third was twice as long?
*Thursday, May 23, 2013 at 12:25am*

**Geometry**

Find the volume of a rectangular box. The faces have areas of 15, 25, and 60.
*Wednesday, May 22, 2013 at 10:56pm*

**geometry**

method 1: to be equidistant from both the x and the y axes, point would have to lie on y = x So the point would have to have the form (x,x) distance from (6,6) has to be 6 √( (x-6)^2 + (x-6)^2 = 6 √( 2x^2 - 24x + 72) = 6 square both sides 2x^2 - 24x + 72 = 36 x^2...
*Wednesday, May 22, 2013 at 9:58pm*

**Math Geometry **

How do you put your knowledge of quadrilaterals to kites?
*Wednesday, May 22, 2013 at 9:38pm*

**geometry**

find the coordinates of the points which are simultaneously 6 units from the points (6,6) and equidistant from the x and y axis. There are two ways to do this. I would like them both.
*Wednesday, May 22, 2013 at 9:03pm*

**geometry**

find the coordinates of the points which are simultaneously 6 units from the points (6,6) and equidistant from the x and y axis. There are two ways to do this. I would like them both.
*Wednesday, May 22, 2013 at 7:28pm*

**geometry**

surely you know that the circle contains 360°. So, (8x-10) + (6x) + (10x+10) = 360 x = 15
*Wednesday, May 22, 2013 at 2:14pm*

**geometry**

Pllllleeeaaasssssssseeeee help me with this math fast! a. Find x. The figure is not drawn to scale. b. Is the triangle equilateral, isosceles, or scalene? Explain. Image at imgur . com / 6y2f9a3
*Wednesday, May 22, 2013 at 1:26pm*

**probability**

This problem is not about geometry You want the probability that Bret's last toss will exceed Shawn's by 11 or more. There are 20x20 = 400 possible outcomes of the two tosses. Here are some of the ways Bret can win ion the last toss. Bret can throw 12 while Shawn ...
*Wednesday, May 22, 2013 at 12:56pm*

**Geometry**

(x-h)^2 + (y-k)^2 = r^2 describes a circle with center at (h,k) and radius r. Surely your text explains this. The fact that they ask such a question indicates that they expect you to recognize such a standard equation.
*Wednesday, May 22, 2013 at 11:58am*

**geometry help**

145
*Wednesday, May 22, 2013 at 11:46am*

**geometry!!!! PLEASE HELP!!!!**

Bret and Shawn are playing a game where each turn the players roll a 20-sided die fair and then add the number they get to their score. The winner is the player with the highest score at the end of the game (there may be a tie). Before the last turn, Shawn is ahead by 10 ...
*Wednesday, May 22, 2013 at 9:02am*

**geometry help**

Circle Γ with center O has diameter AB=192. C is a point outside of Γ, such that D is the foot of the perpendicular from C to AB and D lies on the line segment OB. From C, a tangent to Γ is drawn, touching Γ at E, where the foot of the perpendicular from E ...
*Wednesday, May 22, 2013 at 4:54am*

**maths**

A letter is picked at random from the English alphabet. Find the probability that the letter : a) Appears in the word GEOMETRY
*Wednesday, May 22, 2013 at 4:38am*

**Geometry **

Find the center and radius of the circle with equation (x+10)^2+(y-7)^2=36
*Tuesday, May 21, 2013 at 10:29pm*

**geometry**

arclength=radius*angleradians they are both the same, so radiusD*PI/4=radiusE*PI/6 radiusD/RadiusE=2/3 check my thinking and work
*Tuesday, May 21, 2013 at 10:09pm*

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