Thursday

August 21, 2014

August 21, 2014

**Recent Homework Questions About Geometry**

Post a New Question | Current Questions

**Geometry**

If the edges of a rectangular prism are 8cm, 6cm, and the diagonal is 10radical2, what is volume of the solid? A right circular cylinder with a radius of 4 has a lateral area of 40pi cm squared. What is the volume of the cylinder?
*Sunday, March 3, 2013 at 6:17pm*

**Geometry PLEASE HELP**

1. If the surface area of a cube is 294 inches squared, find the volume. 2. If the base of a prism is an equilateral triangle with sides 8cm, and each lateral edge measures 10cm, what is the volume of the prism.
*Sunday, March 3, 2013 at 6:11pm*

**Geometry**

The base of a right prism 50 inches high is a rhombus, with diagonals 30 and 16 inches. Find the total surface area of the prism.
*Sunday, March 3, 2013 at 6:06pm*

**geometry**

167.08 square inches. I need to know the radius of a circle for that number of square inches..
*Sunday, March 3, 2013 at 4:07pm*

**maths - geometry**

if the points A(1,-2) B(2,3) C(-3,2) and D(-4,-3) are the vertices of the paralleogram ABCD, then taking AB as the base, find the height of parallelogram.
*Sunday, March 3, 2013 at 10:04am*

**Geometry**

Sandy has a long list of 100 suitors. She decides to label them according to if they are tall, dark or handsome. She finds that each of her suitors fall into at least one of the categories, and 65 of them are tall, 76 of them are dark and 53 of them are handsome. If 20 of the ...
*Saturday, March 2, 2013 at 11:01pm*

**geometry**

Let ABC be a right triangle with ACB =90, AC =6 , and BC =2. E is the midpoint of AC , and F is the midpoint of AB . If CF and BE intersect at G , then cos(CGB), in simplest radical form, is ((k square root w)/f) where k , w , and f are positive integers. Find the value of k+w...
*Saturday, March 2, 2013 at 2:02pm*

**Geometry - Dilation of a square**

The preimage of square ABCD has its center at (8,-8) and has an area of 4 square units. The top side of the square is horizontal. The square is then dilated with the dilation center at (0,0) and a scale factor of 2. What are the coordinates of the vertex of the image of square...
*Saturday, March 2, 2013 at 10:54am*

**geometry**

find k if one of the lines given by kx^2+10xy+8y^2=0 is perpendicular to 2x-y=5
*Saturday, March 2, 2013 at 5:08am*

**Geometry**

Luis has a simple calculator that has buttons for the digits 0 through 9, each of the 4 basic operations (+, - ,*,/ ), and an '=' button. Luis pushes a digit followed by the '+' sign, followed by another digit, followed by the '-' sign, followed by ...
*Friday, March 1, 2013 at 7:48pm*

**analytic geometry helps are appreciated**

Find the maximum value of y/x over all real numbers x and y that satisfy (x-3)^2+(y-3)^2 = 6. It is a circle, but how do we even begin? As a matter of fact, how is there not only like 1 solution??
*Friday, March 1, 2013 at 7:44pm*

**Geometry**

In acute triangle ABC, we have \angle CAB = 34 ^\circ . E is the foot of the perpendicular from B to AC. A point H is on BE is chosen, and X is the foot of the perpendicular from H to AB. What is the measure (in degrees) of \angle of EHX?
*Friday, March 1, 2013 at 6:44pm*

**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 \angle BCA = 39 ^\circ and \angle EBA = 2 \angle DAB , what is the measure of \angle ABC(in degrees)?
*Friday, March 1, 2013 at 6:42pm*

**Geometry**

Luis has a simple calculator that has buttons for the digits 0 through 9, each of the 4 basic operations (+, - ,*,/ ), and an '=' button. Luis pushes a digit followed by the '+' sign, followed by another digit, followed by the '-' sign, followed by ...
*Friday, March 1, 2013 at 6:40pm*

**Geometry **

Danny has a 15-foot board that he wants to use as a motorcycle ramp.If he wants the end of the ramp to be 4 ft off the ground,what angle will be formed between the board and the ground?
*Friday, March 1, 2013 at 4:21pm*

**analytic geometry helps are appreciated**

Find the maximum value of y/x over all real numbers x and y that satisfy (x-3)^2+(y-3)^2 = 6. It is a circle, but how do we even begin? As a matter of fact, how is there not only like 1 solution?? No one has answered this question yet.
*Friday, March 1, 2013 at 3:01pm*

**please help with analytic geometry if you can**

Find the maximum value of y/x over all real numbers x and y that satisfy (x-3)^2+(y-3)^2 = 6. It is a circle, but how do we even begin? As a matter of fact, how is there not only like 1 solution??
*Friday, March 1, 2013 at 12:49pm*

**geometry**

4. In order to properly design a heating system for a greenhouse, the volume of air in the building needs to be determined. Find the volume of air in the greenhouse below. The length of the building is 40 feet long, the width is 20 feet long, and it is 8 feet from the ground ...
*Friday, March 1, 2013 at 12:42pm*

**analytic geometry helps are appreciated**

For some positive real number r , the line x+y=r is tangent to the circle x^2+y^2 = r. Find r. How do we do this? Set equal equations together??
*Friday, March 1, 2013 at 9:14am*

**Geometry**

How do you find the apothem of a regular pentagon? Hexagon?
*Thursday, February 28, 2013 at 9:01pm*

**geometry**

triangle abc is similar to def, the lengths of the sides of triangle abc is 5,8,11. what is the length of the shortest side of triangle def if its perimeter is 60?
*Thursday, February 28, 2013 at 6:22pm*

**Geometry**

line segment ab is the diameter of circle O whose center has coordinates (6,8) . what are the coordinates of point b if the coordinates of point a are (4,2)
*Thursday, February 28, 2013 at 5:35pm*

**Geometry**

line segment ab is the diameter of circle O whose center has coordinates (6,8) . what are the coordinates of point b if the coordinates of point a are (4,2)
*Thursday, February 28, 2013 at 5:34pm*

**geometry**

The surface areas of two similar solids are 36sq. yds and 144 sq yds. Find the ratio of their linear measures.
*Thursday, February 28, 2013 at 8:24am*

**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)?
*Thursday, February 28, 2013 at 12:54am*

**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?
*Thursday, February 28, 2013 at 12:54am*

**Geometry**

Luis has a simple calculator that has buttons for the digits 0 through 9, each of the 4 basic operations (+, - ,*,/ ), and an '=' button. Luis pushes a digit followed by the '+' sign, followed by another digit, followed by the '-' sign, followed by ...
*Thursday, February 28, 2013 at 12:17am*

**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 \angle BCA = 39 ^\circ and \angle EBA = 2 \angle DAB , what is the measure of \angle ABC (in degrees)?
*Thursday, February 28, 2013 at 12:14am*

**Geometry**

The volume of a sphere is numerically equal to the surface area of the sphere. If this value is equal to N \pi, what is the value of N?
*Thursday, February 28, 2013 at 12:00am*

**Geometry**

In acute triangle ABC, we have \angle CAB = 34 ^\circ . E is the foot of the perpendicular from B to AC. A point H is on BE is chosen, and X is the foot of the perpendicular from H to AB. What is the measure (in degrees) of \angle EHX?
*Wednesday, February 27, 2013 at 10:39pm*

**analytic geometry helps are appreciated**

A line with slope 3 is 2 units away from the origin. Find the area of the triangle formed by this line and the coordinate axes. How is this even going to be done? We are given little info but a bunch of variables. Could someone help please??
*Wednesday, February 27, 2013 at 10:07pm*

**Geometry**

In the diagram, is an altitude drawn in trapezoid DEFG, DE = 10, EF = 9, FG = 8, and GD = 15. What is mÐD to the nearest degree? 37 53 60 80
*Wednesday, February 27, 2013 at 8:52pm*

**geometry**

this rectangular prism is 120 miles in length, 20 miles in width, and 800 feet deep what is the volume????!!?
*Wednesday, February 27, 2013 at 6:54pm*

**Geometry**

1) If m1 = 37°, what is the measure of 4? a. 53° b. 43° c. 37° d. 27° 2) If m1 = 40°, what is the measure of 5? a. 50° b. 40° c. 35° d. 25° 3) If m4 = 105°, then what is the m8? a. 105° b. 75° c. 175° d. 25° My Answer...
*Wednesday, February 27, 2013 at 2:01pm*

**simple geometry!**

In acute triangle ABC, we have ∠CAB=34∘. E is the foot of the perpendicular from B to AC. A point H is on BE is chosen, and X is the foot of the perpendicular from H to AB. What is the measure (in degrees) of ∠EHX?
*Wednesday, February 27, 2013 at 1:56am*

**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?
*Wednesday, February 27, 2013 at 1:56am*

**geometry**

A radio tower casts a shadow 170 feet long. The angle of elevation of the sun is 43 degrees. How high is the tower? Round to hundredths.
*Tuesday, February 26, 2013 at 10:25pm*

**geometry**

A triangle has side lengths 24, 32, and 42. Is it a right triangle? Explain
*Tuesday, February 26, 2013 at 9:54pm*

**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 8:54pm*

**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*

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