Sunday

December 21, 2014

December 21, 2014

**Recent Homework Questions About Geometry**

Post a New Question | Current Questions

**Geometry**

a four sided garden plot has an irregular shape. the second side is 12 feet longer than the first. the third side is 24 feet longer than the second. the fourth side is 36 feet longer than the third. if the perimeter of the plot measures 136 feet, what is the length of the ...
*Wednesday, June 11, 2014 at 11:37pm*

**geometry**

In a triangle, the measure of the first angle is four times the measure of the second angle. The measure of the third angle is 84 degrees more than the second angle. what is the measure of the first angle?
*Wednesday, June 11, 2014 at 10:24pm*

**Geometry**

The radius of circle a (which is 6) is multiplied by 1/2. Describe the effect of the change of the area.
*Monday, June 9, 2014 at 11:02pm*

**geometry**

solve the proportion: 5/2=22/24w the answer is 11/30 but I don't understand how you get that.
*Monday, June 9, 2014 at 9:54pm*

**Math**

I'm an on-going 8th grader, and I'm taking a class for Algebra 2. What should I expect that is different from Algebra 1? P.S. I've taken Geometry online.
*Sunday, June 8, 2014 at 11:13pm*

**Repost - Geometry question**

"please help me" posted this earlier: If m angle sign 1=37 degrees what is m angle sign 4 My answer: 43 degrees which is wrong. Correct answer: 37 degrees I don't understand how to do this.
*Thursday, June 5, 2014 at 11:41am*

**Geometry**

Given that the ratios of the perimeter of two similar shapes is 3/5, what is the ratio of their perimeters.
*Thursday, June 5, 2014 at 12:04am*

**Geometry**

Find the area of a parallelogram with sides of length 6 and 8, and with an interior angle with measure 45 degrees.
*Wednesday, June 4, 2014 at 12:55pm*

**geometry**

The lateral area of the right regular triangular prism is 18 cm^2.Find the total surface area.give your answer in decimal form rounded of to 2 decimal places
*Wednesday, June 4, 2014 at 11:40am*

**geometry**

A kite is flying at an angle of elevation of 40 degrees. All 80 m of string have been let out. Ignoring the sag in the string, the height of the kite to the nearest 10 m is __?__ meters.
*Wednesday, June 4, 2014 at 9:06am*

**Geometry**

The diameter of circle C is 16 cm. is 70°. Use this information, the diagram, and your experiences in geometry this semester to answer these questions. (Use .)
*Wednesday, June 4, 2014 at 6:43am*

**geometry**

What is the volume of a rectangular prism that has dimensions 1in , 2in , and 3in?
*Tuesday, June 3, 2014 at 9:24pm*

**Geometry**

Is it possible for AB =10 BC =2x+5 AC =5x given that point B is midpoint why or why not
*Tuesday, June 3, 2014 at 8:16pm*

**Geometry**

Find the area of a parallelogram with sides of length 6 and 8, and with an interior angle with measure 45 degrees.
*Tuesday, June 3, 2014 at 6:40pm*

**Geometry**

In quadrilateral ABCD, we have AB = BC = CD = DA, AC = 14, and BD = 48. Find the perimeter of ABCD.
*Tuesday, June 3, 2014 at 6:32pm*

**Geometry**

The diameter of circle C is 18 cm. measurement of arc AD is 60°. Use this information, the diagram, and your experiences in geometry this semester to answer these questions. (Use 3.14 as pie)
*Tuesday, June 3, 2014 at 1:04pm*

**geometry**

Two tangents drawn to a circle from an external point intercept a minor arc of 150°. What is the measure of the angle formed by these two tangents?
*Tuesday, June 3, 2014 at 9:23am*

**geometry**

The sum of the diameter of 2 circles is 28". Once circle has a diameter that is 8" longer. What are the diameters of each circle?
*Monday, June 2, 2014 at 11:42pm*

**geometry**

What inequality represents the sentence below? The product of a number and 5 is no more than 8. A. 5n < 8 B. 5n > 8 C. 5n>8 D.5n<8
*Monday, June 2, 2014 at 6:43pm*

**geometry**

Kristen lives directly east of the park. The football field is directly south of the park. The library sits on the line formed between Kristen’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 ...
*Monday, June 2, 2014 at 6:04pm*

**geometry**

1)How to find the area bounded by the 4 points in a coordinate? 2)what is the formula? 3)how the formula related to that?
*Monday, June 2, 2014 at 2:13am*

**Geometry**

at 10 feet away from the base of a tree, angle the top of a tree males with the ground is 61 degrees. of the tree grows at an angle of 78 degress with the respect to the ground, how tall is the tree to the nearest foot?
*Sunday, June 1, 2014 at 10:35pm*

**Geometry**

A cube has infinitely many planes of symmetry. True or False? Identify the figures that are constructed from Polygons. A) Octahedron B) Tetahedron C) Prism D) None of the above E) All of the above In Translations, if you are moving 5 units BACK, which direction are you going? ...
*Sunday, June 1, 2014 at 7:11pm*

**Geometry**

The side lengths of two different cubes are 25 cm and 35 cm. What is the ratio of the volume of the smaller to the volume of the larger (in simplest form)?
*Sunday, June 1, 2014 at 6:54pm*

**Geometry**

The vertices of a pre-image are located at points (12, 8), (6, -4), and (-2, 10). If the image has coordinates (6, 4), (3, -2), and (-1, 5), is this an expansion or a contraction?
*Sunday, June 1, 2014 at 6:05pm*

**Geometry**

Two corresponding sides of two similar hexagons are 16 mm and 20 mm. What is the ratio of the area of the two hexagons? Name the postulate and two theorems you can use to prove triangle similarity.
*Sunday, June 1, 2014 at 5:31pm*

**Geometry**

How many edges does a triangular prism have?___________ What formula can you use to help you find the # of edges of a prism
*Sunday, June 1, 2014 at 2:51am*

**geometry**

A hemispherical dome holds a volume of 486π..find the surface area (omit the area of the circle)? I just need the formulas id use
*Friday, May 30, 2014 at 1:48pm*

**Geometry**

An action movie production team needs glass spheres to hold a green liquid that looks like an explosive. If all of the available 3,392.92 cubic inches of the liquid is to be poured into 30 glass spheres, what should the diameter of each sphere be? Assume that each sphere is ...
*Friday, May 30, 2014 at 9:02am*

**geometry**

The endpoints of are A(2, 2) and B(3, 8). is dilated by a scale factor of 3.5 with the origin as the center of dilation to give image . What are the slope (m) and length of ?
*Thursday, May 29, 2014 at 10:45pm*

**geometry**

Ralph the monkey is looking down at a 31° angle from the top of a tree. There are bananas on the ground 12.4 ft from the base of the tree. If Ralph flies down from the tree at a diagonal path, shown in the diagram by x, what distance would he travel? Round to the nearest ...
*Thursday, May 29, 2014 at 8:03pm*

**Geometry**

Need help solving this problem so confused The tries of an automobile have a diameter of 22 inches. If the wheels revolve ten times, how far does the automobile move? Round your answer to the nearest tenth of a foot and show your work
*Thursday, May 29, 2014 at 6:39pm*

**Geometry**

How do you factor xsquared-10x-39=0
*Thursday, May 29, 2014 at 12:18pm*

**geometry**

a self supporting ladder placed so that the angle between the ladder and the ground is 75.5" can be used to test whether the ladder can support a certain load. The diagram represents a ladder placed next to a window that is 20feet above the ground. What is the length of ...
*Thursday, May 29, 2014 at 10:14am*

**geometry**

Rewrite the following in If-then form: the product of x and y is an odd multiple of 5
*Wednesday, May 28, 2014 at 10:25pm*

**Geometry**

Could anyone tell me if this question is correct? 2.) Which is true about both Pappus's Theorem and Desargues' Theorem? Each theorem applies to spherical geometry. Each conclusion states that three points are collinear. <---- Each hypothesis is based on triangles. ...
*Wednesday, May 28, 2014 at 6:12pm*

**Geometry (Checking)**

2.) Which is true about both Pappus's Theorem and Desargues' Theorem? Each theorem applies to spherical geometry. Each conclusion states that three points are collinear. <---- Each hypothesis is based on triangles. Each theorem involves a dilation. 3.) How many ...
*Wednesday, May 28, 2014 at 4:38pm*

**geometry**

a line segment has end point P(3,6) and Q(12,18) and is dilated so thats its new endpoints are Q' (8,12). What is the scale factor? If the lenght of PQ is 15 what is the lenght of P' Q'? Can you plez help worth 10 points
*Wednesday, May 28, 2014 at 1:40pm*

**Geometry**

Abcd is a parallelogram. If m<bcd = 113 , then m<dab = ?
*Wednesday, May 28, 2014 at 11:41am*

**geometry**

7 - 3 = 4, 8 - 5 = 3, 9 - 8 = 1 Conclusion: the difference of two positive numbers is always positive.
*Wednesday, May 28, 2014 at 11:09am*

**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*

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