Thursday

October 23, 2014

October 23, 2014

**Recent Homework Questions About Geometry**

Post a New Question | Current Questions

**geometry **

Find the surface area of a cone with diameter 27 m and slant height 19 m. Leave your answer in terms of pie
*Wednesday, May 15, 2013 at 9:13pm*

**analytical geometry**

make a full analysis of algebraic equation of y=(x-2)^2(x^2-9)
*Wednesday, May 15, 2013 at 8:48am*

**geometry**

diagonals of pqrs intersect each other at point a also ar = 3ap and as= 3aq, prove that sr =3pq
*Wednesday, May 15, 2013 at 7:26am*

**Math (Geometry)**

ABC is a triangle with a right angle at A. M and N are points on BC such that AM is the altitude, and AN is the angle bisector of ∠BAC. If CN/NB=21, what is CM/MB?
*Wednesday, May 15, 2013 at 5:36am*

**Math (Geometry)**

A point P is given outside of a circle Γ. A tangent from P to Γ touches Γ at T with PT=45. A line from P cuts Γ at the 2 points A,B. If PA=25, what is the length of PB?
*Wednesday, May 15, 2013 at 5:31am*

**Math (Geometry)**

ABCD is a parallelogram with side lengths AB=15,BC=10 and ∠ADC=75∘. A point P in the interior of the parallelogram is chosen such that ∠APD+∠CPB=180∘. What is the measure (in degrees) of ∠PAD+∠PCB?
*Wednesday, May 15, 2013 at 5:30am*

**geometry**

a rectangular flower garden is surrounded by a grass border, the grass border is 5 meters wide on all sides of the flower garden and the outer dimensions are 50 meters by 40 meters. What is the area of the grass border?
*Tuesday, May 14, 2013 at 6:50pm*

**Geometry **

one-half of a number is 8 less than two-thirds of the number. write algebraic equation: the sum of x and 8 is 15 write algebraic equation: 4 more than x is 9 write algebraic equation: 5 less than twice x is equal to 35 write algebraic equation: the product of 10 and x is the ...
*Tuesday, May 14, 2013 at 6:06pm*

**Geometry please help**

Ravi wants to trisect an angle AOB, which has measure θ. From A, he drops a perpendicular to side OB, intersecting at C. He then constructs an equilateral triangle ACD on the opposite side of AC as compared to O. He claims (without any justification) that 2∠DOB=&#...
*Tuesday, May 14, 2013 at 5:25am*

**Probablity**

Samir had prepared the problem tests for Stages 1 to 5 of Geometry and Combinatorics for next week but forgot to label which test was for which stage. Since Samir didn't label them, the computer assigned them labels 1 through 5 randomly, with each label appearing only once...
*Tuesday, May 14, 2013 at 5:21am*

**MATH **

JOhn had prepared the problem sets for Levels 1 to 5 of Geometry and Combinatorics for next month but forgot to label which set was for which level. Since Calvin didn't label them, the computer assigned them labels 1 through 5 randomly, with each label appearing only once...
*Tuesday, May 14, 2013 at 4:09am*

**geometry**

To estimate the height of a flagpole, Marci, who is 5 feet tall stands so that her lines of sight to the top and bottom of the pole form a angle. What is the height of the pole to the nearest foot?
*Monday, May 13, 2013 at 10:38pm*

**geometry**

A bicycle wheel is 56cm in diameter . How many complete turns does it make in travelling 1km ? Use the value ^ for( 22/7)
*Monday, May 13, 2013 at 7:30pm*

**Geometry**

ABC is a triangle with a right angle at A. M and N are points on BC such that AM is the altitude, and AN is the angle bisector of A. If CN/NB=21, what is CM/MB ?
*Monday, May 13, 2013 at 2:52pm*

**geometry **

write and equation of a line perpendicular to the line y=1/2x+10 and passes through (0,3)
*Sunday, May 12, 2013 at 5:38pm*

**geometry**

Suppose θ is an angle strictly between 0 and π 2 such that sin5θ=sin 5θ. The number tan2θ can be uniquely written as ab √, where a and b are positive integers, and b is not divisible by the square of a prime. What is the value of a+b?
*Saturday, May 11, 2013 at 12:44pm*

**geometry**

find the area of an equilateral triangle with an apothem having a length of 4 feet. round to the nearest tenth
*Friday, May 10, 2013 at 10:08am*

**geometry**

find acute angles A and B satisfying cot(A+B)=1 , cosec (A-B)=2
*Thursday, May 9, 2013 at 11:37pm*

**Geometry**

A farmer has 52 meters of fencing to make a rectangular corral. If the width is x, what is the length and area?
*Thursday, May 9, 2013 at 5:10pm*

**Geometry**

the vertices of a parallelogram are a(3,-1),b(4, 3),c(7, 5), and d(6, 1). at what point do the diagonals intersect?
*Thursday, May 9, 2013 at 9:47am*

**re: geometry**

A=5 and c=2√10, then b=?
*Wednesday, May 8, 2013 at 4:04pm*

**Geometry**

A=5 and c=√10, then b=?
*Wednesday, May 8, 2013 at 4:03pm*

**Geometry**

A=5 and c=√10, then b=?
*Wednesday, May 8, 2013 at 4:01pm*

**geometry**

Shalonda notices that when she stands next to the flagpole, she casts a shadow that is 8 feet long and that the flagpole casts a shadow that is 28 feet long. Little Shalonda is 4 feet tall. How tall, to the nearest foot, is the flagpole? step by step on how to do it?
*Wednesday, May 8, 2013 at 3:29pm*

**geometry**

Shalonda notices that when she stands next to the flagpole, she casts a shadow that is 8 feet long and that the flagpole casts a shadow that is 28 feet long. Little Shalonda is 4 feet tall. How tall, to the nearest foot, is the flagpole?
*Wednesday, May 8, 2013 at 3:20pm*

**geometry!!! please help me!!!!**

Determine the least positive integer n for which the following condition holds: No matter how the elements of the set of the first n positive integers, i.e. {1,2,…n}, are colored in red or blue, there are (not necessarily distinct) integers x,y,z, and w in a set of the ...
*Wednesday, May 8, 2013 at 6:51am*

**geometry **

How to get answer for c=2 pie r 4 yards
*Tuesday, May 7, 2013 at 11:15pm*

**geometry**

find acute angie A and B satisfying cot(A+B)=1 , cosec(A-B)
*Tuesday, May 7, 2013 at 1:03pm*

**geometry!!! please help me!!!!**

ABC is a triangle with ∠ACB=45∘. D is a point on AC such that AD=2DC. If ∠ADB=60∘, what is the measure (in degrees) of ∠CAB?
*Tuesday, May 7, 2013 at 12:22pm*

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

A,B,C,D,E,F are 6 consecutive points on the circumference of a circle such that AB=BC=CD=10,DE=EF=FA=22. If the radius of the circle is √n, what is the value of n? Details and assumptions: -The lengths given are side lengths, not arcs.
*Tuesday, May 7, 2013 at 12:15pm*

**geometry**

find acute angles A and B satisfying cot(A+B)=1 , cosec(A-B)=2
*Tuesday, May 7, 2013 at 7:18am*

**geometry**

Γ is a circle with radius 10 and center O. A and B are points on Γ such that the arc length ABˆ=13. What is the area of sector AOB?
*Tuesday, May 7, 2013 at 4:41am*

**Geometry **

One right circular cone is set inside a larger circular cone. The cones share the same Axis, the same vertex, and the same height. Find the volume of the space between the cones of the diameter of the inside cone is 6in., the diameter of the outside cone is 9in and the height ...
*Monday, May 6, 2013 at 1:03pm*

**Geometry**

Two points are chosen uniformly at random on the unit circle and joined to make a chord C1. This process is repeated 17 more times to get chords C2,C3,…,C18. What is the expected number of pairs of chords that intersect?
*Sunday, May 5, 2013 at 11:32pm*

**Geometry**

ABCDEF is a regular hexagon with side length 43√4. Points G,H,I,J,K,L are chosen uniformly at random, one from each side of the hexagon. What is the expected area of hexagon GHIJKL?
*Sunday, May 5, 2013 at 11:30pm*

**geometry**

What are degrees of angles for pentagon with 36 sides
*Sunday, May 5, 2013 at 11:01pm*

**geometry**

The construction of the regular pentagon is equivalent to the construction of the point in the unit circle with x coordinate x1 = the square root of 5 - 1 divided by 4. Use this to construct a regular pentagon that has all its vertices inside the unit circle. Write a ...
*Sunday, May 5, 2013 at 7:27pm*

**Analytic Geometry**

What is the equation of the circle touching the lines x-3y-11=0 and 3x-y-9=0 having its center on the line x+2y+19=0 .
*Sunday, May 5, 2013 at 5:53am*

**geometry**

The longer diagonal of a parallelogram measures 62 cm and makes an angle of 30 degrees with the base. Find the area of the parallelogram if the diagonals intersect at angle of 70 degrees.
*Sunday, May 5, 2013 at 3:30am*

**geometry **

Find the area of the segment of the circle. Leave your answer in terms of pi. there is a circle with a 90 degree triangle and one side is 3 cm
*Saturday, May 4, 2013 at 10:01pm*

**geometry**

How much more pizza is in a 12-in. diameter pizza than an 8-in. diameter pizza? Round your answer to the nearest hundredth. Be sure to show all work and label your answer. TWO points for the work...TWO points for the corrrect answer
*Saturday, May 4, 2013 at 7:35pm*

**geometry**

You and your friend ordered a 12 cut pizza with a radius of 8 inches. How much cheese is needed to cover one slice of the pizza? Hint: Find the area of one slice. Round your answer to the nearest tenth
*Saturday, May 4, 2013 at 7:33pm*

**Geometry**

Parallelogram ABCD has ÚABC=x ∘ and ÚBCD=2x ∘ +111 ∘ . What is the value of x ?
*Saturday, May 4, 2013 at 3:24pm*

**geometry**

What did Mrs. margarine think about her sisters husbund
*Thursday, May 2, 2013 at 9:51pm*

**geometry**

Jorge put colored cards into a bag. Two of the cards were green, three were red, one was orange, two were blue, and two were purple. Jorge wants to find the probability that he will pull an orange card from the bag. What step does Jorge take to determine the number of possible...
*Thursday, May 2, 2013 at 6:43pm*

**geometry**

if ab = 8 sc = 6 ec = 12 what is value of dc? it follows the (ac)(bc) =(ec) (dc) theorem tangents secants... thank you...do you have to factor?
*Thursday, May 2, 2013 at 11:58am*

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

Outside of circle Γ, point A is chosen. Tangents AB and AC to Γ are drawn, with B,C on the circumference of Γ. On the extension of AB, D is a point such that B is between A and D, and ∠ADC=25∘. The circumcircle of ADC intersects Γ again at E (...
*Thursday, May 2, 2013 at 8:46am*

**Geometry **

a belt is wrapped tightly around circle O and forms a right angle at P, outside the circle. find the length of the belt if circle O has a radius of 8.
*Wednesday, May 1, 2013 at 11:51pm*

**Geometry **

a belt is wrapped tightly around circle O and forms a right angle at P, outside the circle. find the length of the belt if circle O has a radius of 8.
*Wednesday, May 1, 2013 at 11:51pm*

**Geometry **

a belt is wrapped tightly around circle O and forms a right angle at P, outside the circle. find the length of the belt if circle O has a radius of 8.
*Wednesday, May 1, 2013 at 11:50pm*

**Geometry**

A landowner digs a 15 meter deep well with a diameter of 2.8 meters. The landowner spreads the dirt dug out of the holds to form a flat platform 31.5 meters by 6 meters. What is the length of the platform?
*Wednesday, May 1, 2013 at 9:20pm*

**Geometry**

An unsharpened pencil is in the shape of a hexagonal prism, in which the face edge is 4 millimeters and the length is 170 millimeters. What is the lateral area of the pencil?
*Wednesday, May 1, 2013 at 9:17pm*

**geometry**

M is the midpoint of JK, Q is the midpoint of MK, and X is the midpoint of MQ. if a point on JK is picked at random, what is the probability that the point is on MX?
*Wednesday, May 1, 2013 at 11:07am*

**Math (Geometry)**

Square ABCD has M as the midpoint of AB, N as the midpoint of BC, P as the midpoint of CD and Q as the midpoint of MP. If the area of AMNPDQ is 20, what is the area of ABCD?
*Wednesday, May 1, 2013 at 6:42am*

**Geometry**

Lines p and q are parallel and are intersected by transversal r. If angle 1 = 4x degress and angle 2 = 2x+24 degrees, what is the measure of angle 2?
*Tuesday, April 30, 2013 at 8:49pm*

**Geometry **

Find the ratio for the similar figure. If the area ratio is 4:49, what is the volume ratio?
*Tuesday, April 30, 2013 at 3:32pm*

**Geometry **

Find the ratio for the similar figure. If the volume ratio is 27:512, what is the side ratio?
*Tuesday, April 30, 2013 at 3:31pm*

**geometry**

Prove that if angle DAC is 40 degrees and angle ACD is 35 degrees, then angle BDA is 70 degrees. Write a two column proof showing statements and reasons. My teacher said my answer was wrong because BCA cannot equal 40 degrees because lines DA and C are not parallel, but he did...
*Tuesday, April 30, 2013 at 11:05am*

**Analytic Geometry**

What is the equation of a circle passing through (-4,-4) and tangent to the line 2x-3y+9=0 at (-3,1)?
*Tuesday, April 30, 2013 at 10:42am*

**geometry**

The medial triangle of a triangle ABC is the triangle whose vertices are located at the midpoints of the sides AB, AC, and BC of triangle ABC. From an arbitrary point O that is not a vertex of triangle ABC, you may take it as a given fact that the location of the centroid of ...
*Tuesday, April 30, 2013 at 10:21am*

**geometry**

Outside of circle Γ, point A is chosen. Tangents AB and AC to Γ are drawn, with B,C on the circumference of Γ. On the extension of AB, D is a point such that B is between A and D, and ∠ADC=25∘. The circumcircle of ADC intersects Γ again at E (...
*Tuesday, April 30, 2013 at 9:18am*

**geometry and combinatorics**

An equilateral triangle with side length 33 is divided into 33^2 smaller unit equilateral triangles each with side 1, forming a triangular lattice. We color each segment of length 1 either Red, Blue or Green, subject to the condition that each small unit equilateral triangle ...
*Tuesday, April 30, 2013 at 2:43am*

**geometry!!!!**

Let A be a subset of T={1,2,…,100} subject to the condition that if 2 distinct elements a and b are in A, then a+b is not in A. What is the maximum value of |A|, which is the number of elements in A?
*Tuesday, April 30, 2013 at 2:40am*

**Math (Geometry)**

ABCD is a rectangle with AC=20 and AB=2BC. What is the area of rectangle ABCD?
*Tuesday, April 30, 2013 at 1:25am*

**geometry!!!!**

Let A be a subset of T={1,2,…,100} subject to the condition that if 2 distinct elements a and b are in A, then a+b is not in A. What is the maximum value of |A|, which is the number of elements in A?
*Monday, April 29, 2013 at 12:04pm*

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

A point P is uniformly chosen inside a regular hexagon of side length 3. For each side of the hexagon a line is drawn from P to the point on that side which is closest to P. The probability that the sum of the lengths of these segments is less than or equal to 9√3 can be...
*Monday, April 29, 2013 at 12:02pm*

**Math (Geometry-Vectors)**

Let θ be the angle between two vectors v and u . If v*u =12, |v|=2, |u|=6√2 and 0∘<θ<180∘, what is the value of θ (in degrees)?
*Monday, April 29, 2013 at 11:30am*

**Math (Geometry)**

Square ABCD has M as the midpoint of AB, N as the midpoint of BC, P as the midpoint of CD and Q as the midpoint of MP. If [AMNPDQ]=20, what is the value of [ABCD]? Details and assumptions [PQRS] refers to the area of figure PQRS.
*Monday, April 29, 2013 at 11:28am*

**Math (Geometry)**

In right triangle ABC, we are given that ∠ABC=90∘ and AC=34. D is a point on line segment BC such that BD=12,DC=18. What is the length of AD?
*Monday, April 29, 2013 at 11:26am*

**Geometry**

How do u find the lateral area of a 3-sided 1-based triangle with a slant height of 7 and a height of 5?
*Sunday, April 28, 2013 at 9:32pm*

**geometry**

WHAT IS ad TO THE NEAREST 10 ON A KITE WHEN THE KITE IS22,7, AND 12
*Sunday, April 28, 2013 at 3:53pm*

**geometry**

show that minute hand gains five degree thirty minutes on hour hand in one minute
*Friday, April 26, 2013 at 7:21am*

**geometry**

you plan to carpet 468ft of space. carpet costs $26.75 per square yard and the tax is 7%. the carpet is sold in 12 ft rolls. what is the cost of the carpet?
*Thursday, April 25, 2013 at 8:24pm*

**geometry**

the bore of an engine cyclinder is the diameter of the piston and the stroke is the distance that the piston will travel up the cyclinder wall. The displacement is the volume of space that the piston goes thru. If the piston is 3.97" in dia. and the stroke is 4" what...
*Thursday, April 25, 2013 at 5:46am*

**please help geometry**

you need to find the length of a broken automitive belt. the belt ran around 2 pulleys whose centers were 11 in apart. one of the pulleys is 4" dia. and the other is 6" dia. what is the totoal length of the belt needed to connect thr pulleys?
*Thursday, April 25, 2013 at 5:40am*

**geometry**

how many 3"x4"x6" boxes will fit in a 2'x3'x8' container?
*Thursday, April 25, 2013 at 5:36am*

**geometry**

find the capacityof a cylidrical drinking flask whose radius is 3.42 cm height of 16.33?
*Wednesday, April 24, 2013 at 1:07pm*

**geometry**

find the capacityof a cylidrical drinking flask whose radius is 3.42 cm height of 16.33?
*Wednesday, April 24, 2013 at 12:47pm*

**geometry**

A 7-inch apple pie sells for $4. What is its cost per square inch (in Sq.?
*Wednesday, April 24, 2013 at 12:33pm*

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

Two angles of an isosceles triangle are 68∘ and x∘. What is the sum of all the (distinct) possible values of x?
*Wednesday, April 24, 2013 at 9:51am*

**geometry**

Blake draws a diagonal to cut a trapezoid. He says he is left with two triangles. Is Blake correct?
*Tuesday, April 23, 2013 at 3:48pm*

**geometry**

Tamika draws a line that would cut a 8. square in half. She says she makes 2 smaller squares. Is Tamika Correct?
*Tuesday, April 23, 2013 at 3:46pm*

**geometry**

What shape will you always get when you combine a square pattern block and a triangle pattern block?
*Monday, April 22, 2013 at 6:00pm*

**geometry**

What shape will you always get when you combine a trapezoid pattern block and a triangle pattern block?
*Monday, April 22, 2013 at 6:00pm*

**geometry**

which pattern blocks can be combined to make the shape rhombus?
*Monday, April 22, 2013 at 5:05pm*

**chemistry**

Using the PM3 semiempirical method in HyperChem, treat planar napthalene. First build the molecule, choose SemiEmpirical methods and PM3, and perform a Geometry Optimization. Look in the "Compute>Orbitals" menu to determine the energies of the HOMO and LUMO. What ...
*Monday, April 22, 2013 at 2:55am*

**geometry**

AB has a length of 5 cm the line segment is dilated to produce A'B' which has a length of 2 cm what is the scale factor of the dilation
*Sunday, April 21, 2013 at 6:40pm*

**COOP Exam?? (practice)**

Is there any online COOP exam I can practice to pass that COOP exam I'm taking (I'm applying to catholic high school. It's a private school). This what it will be on the exam: Test 1 Sequences This test measures the student’s ability to comprehend a rule or ...
*Saturday, April 20, 2013 at 5:52pm*

**geometry**

Find the weight to the nearest kg, of the cement block. Cement weighs 1700 kg/m3. 12cm x 10cm and 40cm x 20 cm x 20cm.
*Saturday, April 20, 2013 at 4:47pm*

**Geometry**

A circle of radius 1 is drawn in the plane. Four non-overlapping circles each of radius 1, are drawn (externally) tangential to the original circle. An angle ã is chosen uniformly at random in the interval [0,2ð). The probability that a half ray drawn from the ...
*Saturday, April 20, 2013 at 4:46pm*

**Geometry**

There are 100 runners, each given a distinct bib labeled 1 to 100. What is the most number of runners that we could arrange in a circle, such that the product of the numbers on the bibs of any 2 neighboring runners, is less than 1000?
*Saturday, April 20, 2013 at 4:45pm*

**geometry**

Quadilateral KLMN is enlarged by a factor of p.Find the largest value of p for which the image of KLMN is contained in the circle centered at (0;0) with radius 1
*Saturday, April 20, 2013 at 12:54pm*

**Geometry**

One pizza has a diameter twice the diameter of a smaller pizza. what is the rato of the area larger pizza to the area of the smaller pizza?
*Friday, April 19, 2013 at 9:21pm*

**geometry!!!.....Alice's Concession Choices**

Alice is at a country fair with 4 concession stands. She cannot decide in which order to visit each concession stand. Assuming she visits each stand once and only once, how many different ways are there to visit all the concession stands
*Friday, April 19, 2013 at 3:51am*

**geometry ( trigonometric ratios)**

a girl who is standing 92 ft away from a building looks up at a angle of 86 degrees at a bird on the top of a building. What is the height, from the ground, to the bird on the top of the building ?
*Thursday, April 18, 2013 at 11:03pm*

**Chemistry - molecular polarity**

Hi Dr. Bob. Could you please take a look at the question below and my work? I'm not sure how to get the correct answer for this question. I would greatly appreciate your help! How many of the following molecules are polar? BrCl3 CS2 SiF4 SO3 A) 1 B) 2 C) 3 D) 4 E) 0 The ...
*Thursday, April 18, 2013 at 3:45pm*

**geometry...TRIANGLE**

ABCD is a quadrilateral with ∠ADC=∠ACD, ∠ACB=∠ABC and CD=7. If triangles ADC and ABC have perimeter 51 and 59, respectively, what is the value of BC?
*Thursday, April 18, 2013 at 4:18am*

**GEOMETRY......circle**

Circles Γ1 and Γ2 intersect at 2 distinct points A and B. A line l through A intersects Γ1 and Γ2 at points C and D, respectively. Point E is the intersection of the tangent to Γ1 at C and the tangent to Γ2 at D. If ∠CBD=30∘, what is ...
*Thursday, April 18, 2013 at 4:13am*

**geometry**

find the value of x .simplify answers that are radicals.
*Wednesday, April 17, 2013 at 11:36pm*

**Geometry**

I appreciate any help you can give me. Here is my question: Find the coordinates of the images of A(2,3), and B(-2,3) under the following transformations. Assume that all size transformations are centered at the origin. a. A size transformation with scale factor 2 followed by ...
*Wednesday, April 17, 2013 at 8:23pm*

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