Saturday

September 20, 2014

September 20, 2014

**Recent Homework Questions About Geometry**

Post a New Question | Current Questions

**algebra/geometry**

How do you do the diamond or the t-chart to find the possible values of x... x^2 -3x-28 ??? I don't remember how to....
*Tuesday, May 27, 2014 at 10:08pm*

**geometry**

In circle O, m angle D O G= 92°, and the length ofarc D Gis 16. Assuming that O is the center of the circle, calculate the length of the radius. Round your answer to the nearest hundredth.
*Tuesday, May 27, 2014 at 8:51pm*

**geometry**

The base of a right triangular prism is a right isosceles triangle whose equal sides measure 25 cm. each. The volume of the prism is 7.5 cubic meters. Find the height of the prism.
*Tuesday, May 27, 2014 at 5:02pm*

**Geometry**

Ann went on a 10 hour bicycle trip. The graph models the relationship between the time and the total distance traveled by Ann. The table shows selected points on the graph. T=0,1,4,7,10 d(t)=0,3,5,5,10 draw a graph of anns speed in mph in terms of the time in hours.
*Tuesday, May 27, 2014 at 4:55pm*

**Geometry**

If m<AHM = 3x+5 and m<TMH = 7x-27, find m<AHM prntscr(dot)com/3n61w3 For figure required for problem.
*Tuesday, May 27, 2014 at 4:03pm*

**geometry math help**

"the inside of a carton is measured and is found to be width of 40cm, length 60cm and depth 30 cm. it is to be packed 2 layers deep with cylindrical tins that have a radius of 5cm and height of 15cm (outside measurements)." a) show that 48 tins can be packed into the...
*Monday, May 26, 2014 at 4:06am*

**Geometry**

The diagonals of a trapezoid are perpendicular and have lengths 8 and 10. Find the length of the median of the trapezoid.
*Sunday, May 25, 2014 at 11:22pm*

**Maths-euclidean geometry**

Determine with reasons the value of y(XY) in the diagram below. Given that AB= 4 units and BC= 3 units. X and Y are midpoints of AB and BC respectively.
*Sunday, May 25, 2014 at 7:57am*

**Geometry**

The equation of a circle is (x−4)^2+ (y+2)^2=16. B) Find the radius of the circle with the given equation. Can somone give me step by step explanations? Thank you in advance!
*Sunday, May 25, 2014 at 2:15am*

**Geometry (Checking)**

Point A is on the inside of a maze that is a simple closed curve. A segment from point A to the outside of the maze must cross the border of the maze an ___EVEN____ number of times for point A to be inside the maze. If a convex polyhedron has 6 vertices and 8 faces, then it ...
*Saturday, May 24, 2014 at 9:06pm*

**Geometry**

Point A is on the inside of a maze that is a simple closed curve. A segment from point A to the outside of the maze must cross the border of the maze an ___EVEN____ number of times for point A to be inside the maze. If a convex polyhedron has 6 vertices and 8 faces, then it ...
*Saturday, May 24, 2014 at 7:50pm*

**geometry**

A plane is flying at an altitude of 12,000 m. From the pilot, the angle of depression to the airport tower is 32°. How far is the tower from a point directly beneath the plane?
*Friday, May 23, 2014 at 10:49pm*

**geometry**

Jake rolls two standard number cubes. Find the probability that the sum of the roll is 10, given that both cubes rolled odd numbers.
*Friday, May 23, 2014 at 5:37am*

**geometry**

Part of a road that is 452 meters in length has a slight incline. The vertical rise is 12 meters. Find the angle of elevation. can anybody help? and it must be rounded to the nearest tenth
*Thursday, May 22, 2014 at 9:58pm*

**Geometry Help!!!**

. Katrina lives directly east of the park. The football field is directly south of the park. The library sits on the line formed between Katrina’s home and the football field at the exact point where an altitude to the right triangle formed by her home, the park, and the ...
*Thursday, May 22, 2014 at 9:49pm*

**Geometry**

17. The equation (x + 6)2 + (y + 4)2 = 36 models the position and range of the source of a radio signal. Describe the position of the source and the range of the signals. (3 points
*Thursday, May 22, 2014 at 9:26pm*

**geometry**

Find the lateral area and volume of the right triangular prism. side lengths are 3,4,5 and height is 6.How do I find out the apothem?
*Thursday, May 22, 2014 at 12:08pm*

**geometry**

there exists a circle with chords. the chords are congruent. their corresponding arc measurements are 80 degrees and 2x+10 solve for x
*Wednesday, May 21, 2014 at 9:02pm*

**geometry**

If Dave is 6 feet tall and casts a shadow of 15 feet, what is the height of a tree that casts a shadow of 81 feet? Draw a diagram and solve for the height of the tree.
*Wednesday, May 21, 2014 at 8:03pm*

**Geometry**

Using a 30-60-90 triangle, if b = 12, find c? I can't seem to get any formulas to work for this. any help would be wonderful.
*Wednesday, May 21, 2014 at 9:19am*

**geometry**

An a-frame cabin is 38 feet across at the base and the roof males an angle of 52 degrees with the ground how tall is the cabin?
*Tuesday, May 20, 2014 at 8:26pm*

**geometry**

A railroad track enters a field 480 feet north of the southwest corner and leaves 340 feet east of the southwest corner what angle does the track make with the south boundary?
*Tuesday, May 20, 2014 at 8:25pm*

**geometry**

a surveyor on level ground finds the angle of elevation of a 138-foot flagpole to be 47 degrees how far from the base of the pole is the surveyor?
*Tuesday, May 20, 2014 at 8:23pm*

**geometry**

from the top of a vertical 186 foot cliff the angle of depression of a boat is 13 degrees(angle of depression is measured downward from horizontal) how far is the boat from the observer at the top of the cliff?
*Tuesday, May 20, 2014 at 8:19pm*

**geometry**

a 30 foot ladder leaning against a vertical wall makes an angle of 81 degrees with the ground how far from the base of the pole is the surveyor?
*Tuesday, May 20, 2014 at 8:07pm*

**geometry**

a room is 18 feet long,15 feet wide and has an 8 foot ceiling.a cord is stretched from the floor at the southwest corner to the ceiling at the northeast corner.What angle does the cord make with the floor?
*Tuesday, May 20, 2014 at 8:05pm*

**geometry**

a rectangle is 17 inches wide 29 inches long what angle does the diagonal make with the lengths?
*Tuesday, May 20, 2014 at 8:03pm*

**geometry**

for a guy wire to a tower is 180 feet long and makes an angle of 34 degrees with the tower.If the ground is level,how far from the base of the tower is the anchor part?
*Tuesday, May 20, 2014 at 7:54pm*

**Geometry**

The ABC Toy Company is creating two similar pieces for a board game, as shown below. Find the value of x that makes the two pieces similar.
*Tuesday, May 20, 2014 at 5:08pm*

**Geometry**

Karen makes pottery on a pottery wheel. Today she is making vases that are in the shape of a circular cylinder that is open at the top, that is, it has only one base. The base has a radius of 4.5 centimeters and 0.75 centimeters thick. The lateral surface of the cylinder will ...
*Monday, May 19, 2014 at 6:40pm*

**geometry**

A floor measures 10m by 5m is to be covered with flooring boards measuring 1m 20cm. How many flooring boards would be needed to cover this section.
*Monday, May 19, 2014 at 6:08pm*

**Geometry**

Martin wants to use coordinate geometry to prove that the opposite sides of a rectangle are congruent. He places parallelogram ABCD in the coordinate plane so that A is (0, 0), B is (a, 0), C is (a, b), and D is (0, b). What formula can he use to determine the distance from ...
*Monday, May 19, 2014 at 11:30am*

**Geometry**

Nobody has an answer for this, so I thought might as well post this on Jiskha. "Medians AX and BY of Triangle ABC are perpendicular at point G. Prove that AB=CG." I need an entire solution by Tuesday, May 20, 2014. I just need a little boost and thx for the help...
*Sunday, May 18, 2014 at 9:29pm*

**maths**

calculate the values of p and q Analytical geometry
*Sunday, May 18, 2014 at 8:54am*

**geometry**

if you add 10% to each side of a triangle what is the % of gain
*Sunday, May 18, 2014 at 3:17am*

**Geometry**

the walls, floor, and ceiling of a room form a rectangular solid. The total surface are of the room is 992 square feet. The dimensions of the floor are 12 feet by 20 feet a. What is the lateral area of the room b. What is the height of the room.
*Saturday, May 17, 2014 at 12:52pm*

**Geometry**

A tree casts a 36 ft shadow. The angle of depression from the top of the tree to the tip of the shadow is 25°. Find the height of the tree to the nearest tenth.
*Friday, May 16, 2014 at 9:47pm*

**Choosing Courses**

Is it okay to take Algebra II and Geometry at the same time or would that be too hard, in general?
*Friday, May 16, 2014 at 1:39pm*

**geometry**

if a cone is 7.5 cm high and has a vertical angle of 70 degree calculate the diameter of its base.
*Friday, May 16, 2014 at 8:37am*

**geometry**

Use Pythagorean Theorem to determine which set of sides can be the sides of a right triangle. Question 14 options: a) 3,4,5 b) 4,4,8 c) 6,6,12 d) 8,9,10
*Friday, May 16, 2014 at 12:48am*

**Geometry**

Figure ABCD is a rectangle. AC and BD are diagonals. AC = 25 meters and BC = 15 meters. What is the length of DE?
*Thursday, May 15, 2014 at 7:36pm*

**Geometry**

find the coordinate of the image of the point (-3, -1) dilation with center at the origin, scale factor 2. a. (1.5, .5) b. (6, 2) c. (-6, -2) d. (-1.5, -.5)
*Thursday, May 15, 2014 at 11:06am*

**Geometry **

Please help! I'm really confused on what it is asking. Use the formula for area of a triangle to derive the formula for the area of a regular polygon.
*Thursday, May 15, 2014 at 9:47am*

**geometry**

Concrete can be purchased by the cubic yard. How much will it cost to pour a slab that is 17 ft by 17 ft by 4 ft if the concrete costs $50.00 per cubic yard?
*Wednesday, May 14, 2014 at 11:18pm*

**Geometry **

Determine whether the polygons with the given vertices are similar. Quadrilateral ABCD with vertices A(–3, 3), B(0, 3), C(0, 1), D(–3, 1) and quadrilateral EFGH with vertices E(2, –8), F(8, –8), G(8, –12), H(2, –12)
*Wednesday, May 14, 2014 at 11:09pm*

**geometry**

the ratio of the lengths of the radii of two sphere is 3:5. what is the ratio of the volumes of these two?
*Wednesday, May 14, 2014 at 6:27pm*

**Geometry**

if v = (1, 2) and w = (3, -4) find the coordinates of 4v - w
*Wednesday, May 14, 2014 at 4:27pm*

**Geometry**

How to foil 2xsquared - x - 15=0
*Wednesday, May 14, 2014 at 12:55pm*

**Geometry**

if the angle of rotation with respect to lines l and m measures 30 degrees, then l and m intersect to form an angle of how many degrees? is it 30 degrees?
*Wednesday, May 14, 2014 at 10:51am*

**Geometry Help & Proofs**

The ratio of the volume of Cylinder A to the volume of Cylinder B is 1:5. Cylinder A is similar to Cylinder C with a scale factor of 1:2 and Cylinder B is similar to Cylinder D with a scale factor of 1:3. What is the ratio of the volume of Cylinder C to the volume of Cylinder ...
*Wednesday, May 14, 2014 at 6:34am*

**geometry**

The james family just put in a pool. It is 5 feet deep and has an 8 foot radius. They only want to fill the pool 5/6 of the way. What will be the volume of the pool once filled? I'm so confused...please help.
*Tuesday, May 13, 2014 at 8:44pm*

**Geometry **

Let O and H be the circumcenter and orthocenter of triangle ABC, respectively. Let a, b, and c denote the side lengths, and let R denote the circumradius. Find OH^2 if R = 7 and a^2 + b^2 + c^2 = 29. I tried to draw a diagram but it didn't work out too well. Could I have ...
*Tuesday, May 13, 2014 at 5:53pm*

**geometry**

enny borrowed $500 for five years at 4 percent interest, compounded annually. What is the total amount she will have paid when she pays off the loan? total amount = P (1 + i)t
*Tuesday, May 13, 2014 at 4:56pm*

**Geometry**

which of the following applies to the graph of y = -2x + 4? a. m = -4; y-intercept = 2 b. m = 2; y-intercept = -4 c. m = 4; y-intercept = -2 d. m = -2; y-intercept = 4 thank you!
*Tuesday, May 13, 2014 at 3:16pm*

**Geometry**

The ratio of the volume of Cylinder A to the volume of Cylinder B is 1:5. Cylinder A is similar to Cylinder C with a scale factor of 1:2 and Cylinder B is similar to Cylinder D with a scale factor of 1:3. What is the ratio of the volume of Cylinder C to the volume of Cylinder D?
*Tuesday, May 13, 2014 at 2:21am*

**geometry**

David wants to rent a movie. He wants to watch either a comedy or a drama. The movie rental store has 18 comedies and dramas available for rent. Seven of the movies are comedies, and eleven of the movies are dramas. David has not seen two of the comedies, and he has not seen ...
*Monday, May 12, 2014 at 1:53pm*

**geometry**

On a piece of machinery, the centers of two pulleys are 3 feet apart, and the radius of each pulley is 6 inches. How long a belt (in feet) is needed to wrap around both pulleys?
*Monday, May 12, 2014 at 1:10pm*

**geometry**

balloon has a circumference of 23 cm. Use the circumference to approximate the surface area of the balloon to the nearest square centimeter.
*Friday, May 9, 2014 at 1:19pm*

**Geometry**

Kevin has a salt water aquarium.As Shown below in the shape of a rectangular prism. ( base 36 in, width 18in,height 20 in) . When a rock is submerged into the aquarium the water level rises 0.25 inches. What is the voulume of the rock ?
*Wednesday, May 7, 2014 at 10:28pm*

**geometry**

Bob's Barricades rents orange plastic cones to use as barricades in road construction. Each cone is 24 inches high with a diameter of 14 inches. A gallon of orange paint will cover approximately 400 square feet. About how many whole gallons of paint will Barb need to paint...
*Wednesday, May 7, 2014 at 8:28pm*

**Geometry**

Which two dimensional shape can be rotated to create this solid subject?
*Wednesday, May 7, 2014 at 11:52am*

**geometry**

Gary makes custom metal signs. He has a sheet of metal that is 6 feet by 12 feet and wants to cut it into signs that are 2 feet by 4 feet. How many signs can he make?
*Monday, May 5, 2014 at 3:11pm*

**Geometry**

Please help me 1.The surface are of the exterior of hollow rubber ball is 16pi in^2.The rubber is 1/4 inch thick. Find the surface are of the interior of the ball. 2. The length of each side of a cube is 6 inches long. Find the exact area of a sphere inscribed in the cube.
*Sunday, May 4, 2014 at 8:46pm*

**Geometry**

Which if the following is equivalent to 7pi/4? A.285 degrees B. 305 degrees C. 315 degrees D. 330 degrees E. 375 degrees
*Sunday, May 4, 2014 at 11:04am*

**Chemistry**

Which clusters of orbitals would form a "octahedral" electron geometry and would also be possible within the valence shell of an atom?
*Friday, May 2, 2014 at 8:16pm*

**geometry**

The focus of a parabolic mirror is at a distance of 8cm from the center the mirror is 25cm deep find the diameter of the mirror.
*Friday, May 2, 2014 at 12:28pm*

**Geometry **

Is anyone in connections academy? I need help with lesson 5 unit 4 geometry quiz polygons and angles Thank you
*Thursday, May 1, 2014 at 1:01pm*

**Geometry**

Geometry: the width and area of a rectangle Is (4b^3+5b-3)/(2b-1) What is the length of the rectangle? Show work.
*Thursday, May 1, 2014 at 12:40pm*

**Geometry **

Find the coodrinates of the other endpoint of the segment given (-24,15) is the midpoint and one of the endpoint is (-18,10)
*Wednesday, April 30, 2014 at 8:28pm*

**Geometry/Probablity**

Of all the Sunny Club members in a particular city, 25% prefer swimming on weekends and 75% prefer swimming on weekdays. 10% of the members in the city prefer swimming on weekends and are female. 55% of the members in the city prefer swimming on weekdays and are female. What ...
*Wednesday, April 30, 2014 at 10:29am*

**geometry**

concrete can be purchased by the cubic yard. how much will it cost to pour a slab 17 feet by 17 feet by 2 inches for a patio of the concrete cost $ 40 per cubic yard
*Tuesday, April 29, 2014 at 9:30pm*

**Geometry**

Show that each conditional is dales by finding a counterexample. If an animal is a bird, then it is a penguin.
*Tuesday, April 29, 2014 at 5:24pm*

**geometry**

ee wants to cut this piece of canvas into two rectangles that are 3 x 2 and 3 x 5. He wants the sum of the areas of the two small rectangles to be the same as the area of the large. Can he do this? explain.
*Monday, April 28, 2014 at 4:10pm*

**math, geometry**

The bases of trapezoid ABCD are \overline{AB} and \overline{CD}. Let P be the intersection of diagonals \overline{AC} and \overline{BD}. If the areas of triangles ABP and CDP are 8 and 18, respectively, then find the area of trapezoid ABCD.
*Sunday, April 27, 2014 at 6:41pm*

**GEOMETRY !**

***Sorry i forgot to add the actual question The Great Pyramid at Giza has a sqaure base with sides of length 230 meters and a height of 146.7 meters What is the volume
*Sunday, April 27, 2014 at 3:40pm*

**GEOMETRY**

ok so the question is The Great Pyramid at Giza has a sqaure base with sides if length 230 meters and a height of 146.7 meters ???
*Sunday, April 27, 2014 at 2:36pm*

**GEOMETRY**

In a arcade game, the "monster" is the shaded sector of a circle of radius 3 cm, as shown in the figure. The missing piece (the mouth) has a central angle of 60 degrees. What is the area of the monster in cm^2
*Sunday, April 27, 2014 at 1:46pm*

**geometry**

How would i Solve this ?? Secants DB and DE intersect the circle at F and C, respectively Screen shot below remove "()" What is length of DF I forgot the formula
*Sunday, April 27, 2014 at 1:29pm*

**Geometry **

In the diagram, a building casts a 35-ft shadow and a flagpole casts an 8-ft shadow. If the flagpole is 18 ft tall, how tall is the building? Round to the nearest tenth.
*Sunday, April 27, 2014 at 7:38am*

**8th grade geometry**

The quarterback throws a pass from 10 yards from a goal line and 25 yards from a sideline. A receiver catches the pass at 40 yards from the same goal line and 5 yards from the same sideline. How long was the pass?
*Friday, April 25, 2014 at 10:32pm*

**geometry**

In a arcade game, the "monster" is the shaded sector of a circle of radius 1 cm, as shown in the figure. The missing piece (the mouth) has a central angle of 60 degrees. What is the area of the monster in cm^2
*Wednesday, April 23, 2014 at 9:46pm*

**geometry**

A cross-section of a sphere (when cut by a plane through its center) is a circle of area 100pi cm^2 what is the surface area of the sphere ?
*Wednesday, April 23, 2014 at 9:33pm*

**geometry**

Im sorry i know you just answered this but can you go a little in depth like im very confused right now "The volume of a cone is 180cm^3 , if the radius and the height are 3 times more, what would be the volume ???"
*Wednesday, April 23, 2014 at 9:19pm*

**geometry**

The volume of a cone is 180cm^3 , if the radius and the height are 3 times more, what would be the volume ???
*Wednesday, April 23, 2014 at 9:03pm*

**geometry**

A satellite launch rocket has a cylindrical fuel tank. The fuel tank can hold V cubic meters of fuel. If the tank measures d meters across, what is the height of the tank in meters?
*Wednesday, April 23, 2014 at 3:18pm*

**geometry**

3 times the complement of an angle is 30 more than the supplement of the original angle. What is the measure of the angle?
*Wednesday, April 23, 2014 at 2:22pm*

**Geometry **

Sandy decides to try golfing. She stands on the outer edge of a circular putting green. In the very center of this putting green is the hole;it is 8m away from where she is standing. Sandy is inexperienced. She hits the ball incorrectly and it veers directly to her left and ...
*Wednesday, April 23, 2014 at 2:20pm*

**Circle geometry**

The endpoints of the arms of an inscribed angle are the endpoints of a diameter. What is the measure of the inscribed angle? How do you know? Please help and please explain how I would draw a diagram of thus. Think you for your help!
*Wednesday, April 23, 2014 at 1:20pm*

**geometry**

1.what is the area of a sector with a central angle of 160 degrees and a diameter of 5.8m? round the answer to the nearest tenth A. 8.1 m^2 B.4.0 m^2 C.47.0 m^2 D.11.7 m^2 2.what is the area of a regular octagon with a side of 8 in round the answer to the nearest tenth. A 443....
*Wednesday, April 23, 2014 at 1:04pm*

**geometry**

name a pair of obtuse adjacent angles
*Wednesday, April 23, 2014 at 11:03am*

**geometry**

there is a six sided shape for example: -------------- / \ / \ / \ | | \ / \ / \-------------/ ( I tried my best!) is it a hexagon or a pentagon? I no its not a triangle or a octogan but im not sure about the other two. Plz help me!
*Tuesday, April 22, 2014 at 6:29pm*

**geometry**

what does the word congruent mean? Sry my dad forgot this one!
*Tuesday, April 22, 2014 at 6:23pm*

**geometry**

what does the word supplementary mean in the case of dealing with angles?
*Tuesday, April 22, 2014 at 6:17pm*

**MATH GEOMETRY**

The perimeter of rhombus JKLM is 40. If MN=8, then find the area
*Tuesday, April 22, 2014 at 3:58pm*

**Geometry MATH**

the vertices of a quadrilateral are A(-4,-3), B(2,-3), C(4,-6) and D(-2,-6) Find the area of quadrilateral ABCD
*Tuesday, April 22, 2014 at 3:51pm*

**Geometry**

karen is buying wallpaper for one wall of her bedroom which is 12ft by 13ft if the wallpaper is sold in tolls of 5 ft each how many rolls will she need to purchase
*Tuesday, April 22, 2014 at 3:45pm*

**Geometry**

the verticies of a quadrilateral are A(-4,-3), B(2,-3), C(4,-6) and D(-2,-6) gind the perimeter of quadrilateral ABCD
*Tuesday, April 22, 2014 at 3:41pm*

**geometry**

Given points J (1,4), A (3,5), and R(2,1), graph JAR and its reflection image across each line `1) the x-axis 2) the y-axis 3) y = 2 I need help finding what to graph!
*Monday, April 21, 2014 at 5:43pm*

**math/geometry**

Oil from a drum leaks into water surrounding the drum, creating a circular oil slick 100 square feet in area.Find the scale factor of the size transformation of the oil slick when it is 450 square feet in area. Round to the nearest hundredth.Where is the center of the size ...
*Sunday, April 20, 2014 at 7:09pm*

**geometry**

The areas of corresponding faces of two similar triangular prisms are 49cm squared and 25cm squared. What is the ratio of the corresponding side lengths? Of the perimeters of the corresponding faces? Of the volume?
*Saturday, April 19, 2014 at 10:00pm*

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