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September 19, 2014

September 19, 2014

**Recent Homework Questions About Geometry**

Post a New Question | Current Questions

**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) ...
*Tuesday, February 26, 2013 at 8:37pm*

**Math-geometry**

A regular polygon with all sides that are congruent and all angles that are congruent. Thus, the regular triangles are equilateral triangles, and the regular quadrilaterals are squares. All equilateral triangles are similar to one another and all squares are similar to one ...
*Tuesday, February 26, 2013 at 6:29pm*

**geometry**

what is the perimeter of a pool 7ft wide 10ft long 4ft high? Is it 34ft squared?
*Tuesday, February 26, 2013 at 2:46pm*

**geoMETRY!**

ABC is an acute angle triangle with points D and E on BC and AC, respectively such that BE and AD are altitudes. AD and BE intersect at H. If ∠BCA=39∘ and ∠EBA=2∠DAB, what is the measure of ∠ABC (in degrees)?
*Tuesday, February 26, 2013 at 11:35am*

**geometry**

prove that The sum of the angles in any triangle is 180 degrees is true in Euclidian geometry.
*Tuesday, February 26, 2013 at 11:34am*

**geometry**

there are 4 cirlces in an equilateral triangle with sides equal to 16cm. what is the radius of the big circle and the little circles
*Monday, February 25, 2013 at 11:08pm*

**Math-geometry**

A regular polygon with all sides that are congruent and all angles that are congruent. Thus, the regular triangles are equilateral triangles, and the regular quadrilaterals are squares. All equilateral triangles are similar to one another and all squares are similar to one ...
*Monday, February 25, 2013 at 8:20pm*

**geometry**

The hypotenuse is x+5 and the legs are 16, and 7 so how would you use the pythagorean theorem.
*Monday, February 25, 2013 at 4:50pm*

**geometry(triangle)**

Triangle ABC is a right triangle with ∠ABC=90∘. P is a point within triangle ABC such that ∠APB=∠BPC=∠CPA=120W28;. If PA=15 and PB=6, what is the value of PC?
*Monday, February 25, 2013 at 11:31am*

**geometry**

ABCD is a parallelogram. E is a point on AB such that 234×AE=EB. Let DE intersect AC at F. What is the ratio AC:AF?
*Monday, February 25, 2013 at 11:30am*

**math geometry**

a cone has a radius of 2 inches and a height of 12 inches if the radius of the cone is double what must be the new height in the cone in order to keep the volume constant
*Sunday, February 24, 2013 at 11:23am*

**Geometry**

An isosceles trapezoid has bases of length 20 and 12 centimeters and legs of length 11 centimeters what is the area of the trapezoid to the nearest tenth
*Saturday, February 23, 2013 at 2:05pm*

**Geometry**

An isosceles trapezoid has bases of length 20 and 12 centimeters and legs of length 11 centimeters what is the area of the trapezoid to the nearest tenth
*Saturday, February 23, 2013 at 2:05pm*

**Geometry**

Mike and Lani stand 21.2 meters apart. From Mike’s position, the angle of elevation to the top of the Eiffel Tower is 40°. From Lani’s position, the angle of elevation to the top of the Eiffel Tower is 38.5°. How many meters high is the Eiffel Tower? Round to...
*Saturday, February 23, 2013 at 10:24am*

**geometry**

ABCD is a square of side length 1. E , F , G and H are the midpoints of AB , BC , CD and DA , respectively. The lines FA , AG , GB , BH , HC , CE , ED and DF determine a convex 8-gon. By symmetry, this octagon has equal sides. If s is the side length of the octagon, then s 2 ...
*Saturday, February 23, 2013 at 9:17am*

**geometry**

abcd is a parallelogram with sides ab=12 cm,bc=10 cm and diagonal ac=16 cm .find the area of the parallelogram also find the distance between its shortest sides
*Friday, February 22, 2013 at 10:09pm*

**Please help on geometry - analytic geometry**

What is the area, in square units, of a triangle whose vertices are at (4,-1), (10,3) and (4,5) ? How to do this?
*Friday, February 22, 2013 at 5:21pm*

**Geometry - please help - reflections**

A laser is shot from vertex A of square ABCD of side length 1, towards point P on BC so that BP = 3/4. The laser reflects off the sides of the square, until it hits another vertex, at which point it stops. What is the length of the path the laser takes? Help?? Won't the ...
*Friday, February 22, 2013 at 8:44am*

**Geometry**

What is the shortest distance from the point (2,1) to the line x-y= -1
*Thursday, February 21, 2013 at 8:50pm*

**geometry**

Which type of angle do construction workers use when building to make sure that the walls and floors of a building are perpendicular
*Thursday, February 21, 2013 at 8:15pm*

**please help with geometry - dilation**

When a square of area 4 is dilated by a scale factor of k, we obtain a square of area 9. Find the sum of all possible values of k. I do not understand...it is not 3/2, as I was told, but I don't understand why? Help?
*Thursday, February 21, 2013 at 5:37pm*

**Math- geometry **

Angles in a circle. Is the angle in the center equal to any other angle on the sides or top?
*Thursday, February 21, 2013 at 1:11pm*

**Geometry - Transformations and Dilations**

When a square of area 4 is dilated by a scale factor of k, we obtain a square of area 9. Find the sum of all possible values of k. I do not understand...it is not 3/2, as I was told, but I don't understand why? Help?
*Thursday, February 21, 2013 at 9:32am*

**geometry**

in triangle lmn altitude lk is 12cm long through point j of lk is a line drawn parallel to ms, dividing the triangle into two region with equal areas find lj
*Wednesday, February 20, 2013 at 11:34pm*

**Geometry (immediate help and explanation)**

A bridge is the shape of an arc of a circle. The bridge is 8 feet tall and 36 feet wide. What is the radius of the circle that contains the bridge? Round your answer to the nearest tenth.
*Wednesday, February 20, 2013 at 10:21pm*

**geometry **

tylers 14 foot ladder makes a 62 degree angle with the ground.To the nearest foot, how far up the house does tylers ladder reach, and how far away from the house is the base of the ladder
*Wednesday, February 20, 2013 at 9:59pm*

**geometry**

did you hear about... it says its supposed to be a novel.. my words are robins, because,rooster,so,name,sun,best,the,was,banks,gave,wrecked,robinson,farmer,crew,he,who,pet,the,his. it's 13 boxes long.
*Wednesday, February 20, 2013 at 8:53pm*

**geometry**

Did you hear about...(it says it would be a novel name)
*Wednesday, February 20, 2013 at 8:36pm*

**geometry**

It was stated that <ABD + <CBE = 180 degrees, however, please note that <ABC would be equal to 180 degrees. Further development was required.
*Wednesday, February 20, 2013 at 7:59pm*

**geometry**

Prove that the statement, “Rectangles do not exist,” is true in hyperbolic geometry.
*Wednesday, February 20, 2013 at 7:56pm*

**geometry!!!**

Write the ratios for sin A and cos A. The triangle is not drawn to scale. *right triangle. 14 on the side. 50 on the slant. and 48 on the bottom.
*Wednesday, February 20, 2013 at 12:52pm*

**Geometry**

What is used to show that an assumption is false? A. inductive reasoning B. counter example C. pattern D. conjecture ANswer: A
*Wednesday, February 20, 2013 at 10:01am*

**geometry**

Write an equation for each circle described. Center at origin,radius is 3. I'm stuck.aren't I suppose to be given an endpoint for me to be able to use the midpoint formula to find the center? I need help please...oh that's the only thing they give me.
*Tuesday, February 19, 2013 at 9:47pm*

**geometry**

A tower casts a shadow of 64 feet. A 6 foot tall pole near the tower casts a shadow 8 feet long. How tall is the tower?
*Tuesday, February 19, 2013 at 7:06pm*

**geometry**

Martin and Patrick have a model of an airplane which they want to duplicate. Martin uses a string and ruler to make approximate measurements of lengths to duplicate the picture. Patrick uses a pencil and paper and duplicates the picture without the help of tools.
*Tuesday, February 19, 2013 at 9:59am*

**geometry**

your neighbor is standing at the top of a 14 foot ladder. the base of the ladder is 4 feet from the house. how far off the ground is the neighbor
*Monday, February 18, 2013 at 11:39pm*

**math/geometry**

if the circumference of a circle is 12.56 m then what is its diameter?
*Monday, February 18, 2013 at 8:00pm*

**geometry**

Can a line segment have two midpoints?
*Monday, February 18, 2013 at 7:55pm*

**geometry**

why do rectangles not exist in hyperbolic geometry
*Monday, February 18, 2013 at 3:01pm*

**Euclid's Geometry , geometric constructions**

Find the area of the triangle whose vertices (on cartesian graphs) are (-1,5) , (-2,-3) & (10,1)
*Monday, February 18, 2013 at 9:00am*

**geometry!**

ABCDE is a regular pentagon. On the outside of AB, we construct a square ABFG. What is the measure (in degrees) of ∠EAG?
*Monday, February 18, 2013 at 1:02am*

**geometry!!!**

What is the largest triangle number that is less than 1000?
*Monday, February 18, 2013 at 12:56am*

**geometry!**

ABC is an isosceles triangle with AB=AC, ∠BAC=96∘. D is a point such that ∠DCA=48∘, AD=BC and angle DAC is obtuse. What is the measure (in degrees) of ∠DAC?
*Monday, February 18, 2013 at 12:36am*

**Geometry**

a baseball diamond is a square wiht 4 right angles and all sides congruent. wrte a two column proof to prove that eh distance from first base to third base is the same as the distance from home plate to second base. write a two column proof to prove that ehd angle formed by ...
*Sunday, February 17, 2013 at 10:22pm*

**I need help on a geometry cone/frustrum problem**

A sphere with radius 3 is inscribed in a conical frustum of slant height 10. (The sphere is tangent to both bases and the side of the frustum.) Find the volume of the frustum. Could someone help me? I can't find the radius of the cone....
*Saturday, February 16, 2013 at 7:04pm*

**Geometry**

For what values of x and y musy ABCD be a parrallelogram
*Saturday, February 16, 2013 at 4:00pm*

**geometry **

If you had a Iscocles triangle bca and the vertex c was 21y+13 and <b was 6y+1 would <a be congruent to <b since it states that they are congruent? and what would angle a be and what would y equal??? please help either I am thinking to hard or Im stupid lol :)
*Friday, February 15, 2013 at 10:57pm*

**geometry**

Find the missing value to the nearest hundredth. tan() =38 88.49m 61.25m 65.25m 44.25m Find the missing value to the nearest hundredth. sin()=8/32 75.52m 14.04m 77.76m 14.48
*Friday, February 15, 2013 at 3:57pm*

**geometry**

Find the missing value to the nearest hundredth. tan() =38 88.49m 61.25m 65.25m 44.25m Find the missing value to the nearest hundredth. sin()=8/32 75.52m 14.04m 77.76m 14.48
*Friday, February 15, 2013 at 3:16pm*

**geometry**

Find the missing value to the nearest hundredth. tan =38 88.49m 61.25m 65.25m 44.25m Find the missing value to the nearest hundredth. sin=8/32 75.52m 14.04m 77.76m 14.48
*Friday, February 15, 2013 at 2:24pm*

**geometry**

8. A conveyor belt carries supplies from the first floor to the second floor, which is 27 feet higher. The belt makes a 60° angle with the ground. How far do the supplies travel from one end of the conveyor belt to the other? Round your answer to the nearest foot. If the ...
*Friday, February 15, 2013 at 12:59pm*

**Geometry**

I don't have an advenced calculator so I can't do this question so what does ths equal? Thanks. 11 sin 22 =
*Friday, February 15, 2013 at 11:34am*

**Geometry**

Find the value of x. Round to the nearest tenth. The diagram is not drawn to scale. top 11 bottom x angle between 11 and x is 22 percent.
*Friday, February 15, 2013 at 10:46am*

**MATHS GEOMETRY!!! URGENT PLEASE. **

A triangle has side lengths 10,17 and 21cm. Find the length of the shortest altitude. And please show working out to help me understand.
*Friday, February 15, 2013 at 1:56am*

**geometry**

How many cubic meters of cement are required to cover a walkway 7 m long, 0.95 wide, and 10 cm deep?
*Wednesday, February 13, 2013 at 10:42pm*

**geometry**

The area of a circle 200mm in diameter is approximately how many times greater than the area of a circle 40mm in diameter?
*Wednesday, February 13, 2013 at 10:36pm*

**Geometry**

A rectanglar school yard is 280 meters by 245 meters is to be fenced. How many meters of fencing will be required to fence it completely?
*Wednesday, February 13, 2013 at 10:19pm*

**geometry**

6. The isosceles trapezoid is part of an isosceles triangle with a 34° vertex angle. What is the measure of an acute base angle of the trapezoid? Of an obtuse base angle? The diagram is not drawn to scale. (1 point)73o; 107o 34o; 146o 73o; 146o 34o; 107o
*Wednesday, February 13, 2013 at 1:45am*

**Geometry urgent!**

If the radius of the two areas is 12in find the length of a chord of an arc of 45 degrees, 30 degrees and 60 degrees. I really don't know what to do here! Please help!!
*Tuesday, February 12, 2013 at 7:09pm*

**Mathematics -- Geometry -- **

A bowling ball is a solid ball with a spherical surface and diameter 30 cm. To custom fit a bowling ball for each bowler, three holes are drilled in the ball. Bowler Kris has holes drilled that are 8 cm deep and have diameters of 2 cm, 2 cm, and 3 cm. Assuming the three holes ...
*Tuesday, February 12, 2013 at 6:03pm*

**Geometry **

I have two questions... #1 if the radius of the two areas is 12in find the length of a chord of an arc of 45, 35, and 60 degrees. #2 the bases of a trapezoid are 30in and 9in and the nonparallel sides are 10in and 17in. Find the area.
*Tuesday, February 12, 2013 at 5:53pm*

**Geometry **

I have two questions... #1 if the radius of the two areas is 12in find the length of a chord of an arc of 45, 35, and 60 degrees. #2 the bases of a trapezoid are 30in and 9in and the nonparallel sides are 10in and 17in. Find the area.
*Tuesday, February 12, 2013 at 5:52pm*

**Math-Geometry**

I have to calcualte the volume of a cone. The height is 2.1 ft, and the base is 2 inches. I keep coming up with the answer of 8.792 cu ft. There is 4 choice answers given: 0.061 ft,0.610 ft,6.125 ft and 2.016 ft. I have tried several calculators, none of these answers are ...
*Tuesday, February 12, 2013 at 2:15pm*

**geometry!!!!!!**

ABC is an isosceles triangle with AB = BC. The circumcircle of ABC has radius 8. Given further that AC is a diameter of the circumcircle, what is the area of triangle ABC?
*Tuesday, February 12, 2013 at 12:03pm*

**geometry!!!!!!!!!!**

Three circles, each with a radius of 10, are mutually tangent to each other. The area enclosed by the three circles can be written as ab√−cπ, where a, b and c are positive integers, and b is not divisible by a square of a prime. What is the value of a+b+c?
*Tuesday, February 12, 2013 at 11:45am*

**geometry**

The angle of depression from the top of a lighthouse to a boat in the water is 30°. If the lighthouse is 89 feet tall how far is the boat from the lighthouse to the nearest foot? Answers available in ... 10Take this time to do your best on this question. A) 45 feet ...
*Tuesday, February 12, 2013 at 10:48am*

**Geometry...**

The angle of elevation of the sun at 10:00 a.m. is 29 degree. At this point, a tree shadow's is 32 feet long. How tall is the tree? IS THE ANSWER 15.5 FT?
*Monday, February 11, 2013 at 9:57pm*

**geometry**

A rectangle has length and width in the ratio of 5:9. If the perimeter is 280, what is the length of the rectangle?
*Monday, February 11, 2013 at 4:45pm*

**geometry**

Let O be the center of the circle Γ, and P be a point outside of circle Γ. PA is tangential to Γ at A, and PO intersects Γ at D. If PD=14 and PA=42, what is the radius of Γ.
*Monday, February 11, 2013 at 10:53am*

**geometry**

In the English alphabet, there are 7 capital letters that look the same after being rotated 180∘. Those letters are H, I, N, O, S, X, and Z. How many different 3 letter "words" can be made from these letters such that when the word is rotated 180∘, the ...
*Monday, February 11, 2013 at 10:39am*

**Analytic Geometry**

A parabola has a directrix y=-3, axis =4 and latus rectum equal to 2. find its equation. Please help me its for my homework
*Monday, February 11, 2013 at 6:38am*

**Analytic Geometry**

Find the equation of the parabola through (-15/4 ,2) and (0,-1) whose axis is parallel to the x-axis and the latus rectum equal to 4
*Monday, February 11, 2013 at 6:03am*

**geometry**

ABCD is a rectangle. On line segment AB, E is a point such that ∠ADE=17∘ and ∠BCE=29∘. What is the measure of ∠DEC (in degrees)?
*Monday, February 11, 2013 at 1:26am*

**geometry**

A semicircle has AB as the endpoints of its diameter, and AB=80. Points C and D are on the circumference of the semicircle such that AD=BC=40. What is the length of DC?
*Monday, February 11, 2013 at 1:24am*

**geometry**

Three circles, each with a radius of 10, are mutually tangent to each other. The area enclosed by the three circles can be written as ab√−cπ, where a, b and c are positive integers, and b is not divisible by a square of a prime. What is the value of a+b+c?
*Monday, February 11, 2013 at 1:24am*

**geometry**

Missy and Mussy are very messy sisters. Their dresser drawer consists of 43 white socks, 2 black socks, 23 blue socks and 8 red socks. What is the minimum number of socks they must remove from the drawer to be certain they have four socks of the same color?
*Monday, February 11, 2013 at 1:23am*

**geometry**

Missy and Mussy are very messy sisters. Their dresser drawer consists of 43 white socks, 2 black socks, 23 blue socks and 8 red socks. What is the minimum number of socks they must remove from the drawer to be certain they have four socks of the same color?
*Monday, February 11, 2013 at 1:23am*

**Math **

How could I find the volume of a bowling pin using geometry and or calculus?
*Monday, February 11, 2013 at 1:15am*

**geometry**

cuts across on diagnal saves 1/3 distance of longer side what ratio of short to long side
*Sunday, February 10, 2013 at 8:22pm*

**Geometry**

Why is this statement NOT always true?: The longer diagonal of the rhombus is perpendicular to two sides of the rhombus.
*Sunday, February 10, 2013 at 7:54pm*

**Geometry**

URGENT PLEASE HELP please help me understand how to draw a net, am i supposed to memorize these or is there a method for drawing nets for different shapes.
*Sunday, February 10, 2013 at 7:51pm*

**geometry**

the diagonals of a rectangle are 8 units long and intersect at a 60 degree angle. find the dimensions of the rectangle
*Saturday, February 9, 2013 at 3:15pm*

**Geometry**

What is another way to figure out the area of a complex figure?
*Saturday, February 9, 2013 at 8:43am*

**geometry**

a poster art exhibition is to display a square picture with a white border around it. The border must be 10 in. wide at the bottom, 5 in. wide at the top, and 3 in. wide on each side. Using x to represent the length of a side of the picture. A) Write a variable expression for ...
*Friday, February 8, 2013 at 11:20pm*

**geometry**

Circle A has radius 6. Circle B has radius 10. They cross at two points that are 5 apart. What is the overlapping area?
*Friday, February 8, 2013 at 9:21am*

**geometry**

Name the diameter, radius, center, and the equation of the circle with a diameter that has endpoints at (-3, 4) and (5, -2).
*Thursday, February 7, 2013 at 12:06pm*

**geometry**

a rectangle PQRS inscribed in a quadrant of circle of radius 13cm. find area of rectangle.
*Thursday, February 7, 2013 at 5:40am*

**geometry**

if hieght 10 cm and radious =7cm of cone then what is the total surface area.
*Thursday, February 7, 2013 at 2:05am*

**geometry**

in a triangle D =h+4, area of triangle is 120 sq .cm . then find the base and height of triangle
*Thursday, February 7, 2013 at 2:01am*

**geometry**

How many signals does a polygon with 32 sides have?
*Wednesday, February 6, 2013 at 10:48pm*

**geometry**

construct a right angled triangle whose perimeter is 10cm and one acute angle is equal to 60?
*Wednesday, February 6, 2013 at 10:06pm*

**Geometry and Measurement **

Anna builds a rectangular prism storage container with dimensions of 8 inches by 6 inches by 12 inches. She builds a second container with a greater volume by increasing the dimensions of the rectangular prism to 16 inches by 12 inches by 24 inches. How will the volume of the ...
*Wednesday, February 6, 2013 at 4:32pm*

**Geometry and Measurement **

If a can of ravioli with a diameter of 2 inches and a height of 4.5 inches holds 12 ounces of ravioli, how many ounces of ravioli would a can with the same height, but double the diameter, hold?
*Wednesday, February 6, 2013 at 4:30pm*

**geometry and measurement**

A pool designed for lap swimming is rectangular in shape with a uniform depth of 4.5 feet. If the pool is enlarged so that it holds twice as much water, which of the following statements could be true?
*Wednesday, February 6, 2013 at 4:29pm*

**geometry**

If you cut a 3.4 - inch square out of each corner of a piece of paper with dimensions 13 - by - 38.5 inches and fold it into a box, what is the volume of the container?
*Wednesday, February 6, 2013 at 11:37am*

**geometry**

Two similar polygons have areas of 50 and 100 sq. in. Find the ratio of the length of a pair of corresponding sides.
*Tuesday, February 5, 2013 at 1:44pm*

**geometry**

20+90*955
*Tuesday, February 5, 2013 at 8:00am*

**geometry**

using the diagram where there is <CBD< DAC<ABC<EBA<ACB and D and C equal 45 degrees and B equals 90 degrees what is the measurement for <DAC and < ABC and <EBA and <ACB
*Monday, February 4, 2013 at 7:28pm*

**geometry**

a playground is 50 yd by 50 yd. amy walked across the playground from one corner to the opposite corner. how far did she walk.
*Monday, February 4, 2013 at 6:39pm*

**geometry**

The square of an integer never hasa last digit equal to:a.1 b.4 c.5 d.8 e.9
*Monday, February 4, 2013 at 2:20pm*

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