Tuesday

March 3, 2015

March 3, 2015

**Recent Homework Questions About Geometry**

Post a New Question | Current Questions

**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*

**geometry**

Hi, could someone explain to me the steps I should take to solve the following problem. If radius BE is a perpendicular bisector of chord AC, then what is AB to the nearest tenth? BD is 7cm and DC is 9.
*Saturday, April 19, 2014 at 4:11pm*

**geometry**

the set of lessons in this geometry course is:
*Thursday, April 17, 2014 at 7:28pm*

**Math (Geometry)**

I feel like I am over thinking this problem. Can someone please give me an explanation? A circular table is placed in a corner of a room so that it touches both walls. A mark is made on the edge of the table, exactly 18 inches from one wall and 25 inches from the other. What ...
*Wednesday, April 16, 2014 at 10:48pm*

**Geometry**

If the ratio of the areas of two similar hexagons is 4:49, find the ratio of their apothems
*Wednesday, April 16, 2014 at 4:43pm*

**geometry**

The radius of the earth is approximately 6371 km.If the international space station (ISS) is orbiting 353 km above the earth, find the distance from the ISS to the horizon(x)
*Wednesday, April 16, 2014 at 12:57pm*

**Geometry- trig ratio**

An observer (o) spots a plane flying at a 55 degrees angle to his horizontal line of sight. if the plane is flying at an altitude of 21,000 ft, what is the distance (x) from the plane (p) to the observer (o)?
*Tuesday, April 15, 2014 at 7:38pm*

**geometry**

A company packages it's cereal in a rectangular prism that is 2.5 inches by 7 inches by 12 inches. It is considering packaging it in a cylinder- shaped container having a 6 inch diameter and a height of 7.5 inches. Which used the least amount of packaging? Prove your answer.
*Tuesday, April 15, 2014 at 7:28pm*

**Geometry**

The word cosine literally means "the complement of the sine." Write a paragraph explaining how complements of sine and cosine are connected. I know that the sine and the cosine of complementary angles are the same. but how can i add more details/write a paragraph?
*Tuesday, April 15, 2014 at 5:50pm*

**Geometry - Area**

Find the area of a regular hexagon with an apothem 10.4 yards long and a side 12 yards long. Round your answer to the nearest tenth.
*Tuesday, April 15, 2014 at 3:23pm*

**geometry**

10^2=x•(x+3x) Use quadratic formula to solve
*Tuesday, April 15, 2014 at 2:01pm*

**Geometry**

Elimination -12x -8y=-20 -3x +9y=-27
*Tuesday, April 15, 2014 at 1:25pm*

**English**

Jessica's high grades in her geometry class made her mother and __________ very proud. A. myself B. I C. me D. ourselves C
*Monday, April 14, 2014 at 9:52pm*

**Geometry**

In a garden, a birdbath 2ft 6 in. tall casts an 18-in. shadow at the same time an oak tree casts a 90-ft shadow. How tall is the oak tree?
*Monday, April 14, 2014 at 7:19pm*

**geometry**

two concentric circles with center E, AB = 40 CD = 24, CD is perpendicular to AE, and AB is tangent at C. FInd AF AB is chord in big circle. CD is chord in little circle and C is center of AB.
*Sunday, April 13, 2014 at 8:41pm*

**Geometry**

Directions: Find the measure of one interior angle in each polygon. The first given is a PENTAGON. (that's all) I am drawing a blank!
*Sunday, April 13, 2014 at 12:55pm*

**Circle geometry**

Please help Explain how I figure this out. A circle has diameter 70cm. A chord in the circle is 50cm long. How far is the chord from the center of the circle? I have been stuck on this for days. I appreciate any help. Thank you!!
*Thursday, April 10, 2014 at 1:03pm*

**Geometry**

What is the volume/surface area for 5m,12m and 15m
*Thursday, April 10, 2014 at 11:00am*

**Geometry**

tha area of a regular octagon found by decomposing the octagon into a rectangle into trapezoids is ________ m2
*Thursday, April 10, 2014 at 6:31am*

**Circle Geometry**

A wheel has radius 30 cm.It rolls along the ground toward a tack that is 58cm from the point where the wheel currently touches the ground. What is the distance between the tack and the closest point on the circumference of the wheel! I don't understand thus it all! Please ...
*Wednesday, April 9, 2014 at 12:48pm*

**GEOMETRY**

The picture below shows a container that Rene uses to freeze water. A cylinder is shown with base diameter of 6 centimeters and the height as 8 centimeters. What is the minimum number of identical containers that Rene would need to make 2000 cm3 of ice? (Use π = 3.14.) 27...
*Wednesday, April 9, 2014 at 10:03am*

**Geometry**

Find the area. A rectangle with sides of lengths 4/5 foot and 1/2 foot
*Tuesday, April 8, 2014 at 4:01pm*

**Geometry**

#19. Given a regular octagon, find the measures of the angles formed by (a) two consecutive radii and (b) a radius and a side of the polygon.
*Tuesday, April 8, 2014 at 8:40am*

**Geometry**

#7. Find the area of a polygon with the vertices of (-4,5), (-1,5), (4,-3), and (-4,-3).
*Monday, April 7, 2014 at 7:19pm*

**geometry**

Please use this for the portfolio. You will need graph paper. 1. Start with Triangle ABC with vertices: A(0,2), B(2,5), C(3,0) 2. Find slope of side AB and BC 3. Now TRANSLATE the Triangle 4 units left, and 2 units up (x-4,y+2) and give the new vertices to find A', B'...
*Monday, April 7, 2014 at 4:44pm*

**Geometry**

Name the property of equality that justifies that statement "If m<1 + m<2 = m<3 + m<4 and m<2 = m<4, then M<1 + m<4 = m<3 + m<4" A. Subtraction B. Transitive C. Symmetric D. Substitution
*Monday, April 7, 2014 at 11:52am*

**Geometry**

what is the formula of a base area for a right trapezoidal prism?
*Sunday, April 6, 2014 at 9:35am*

**Geometry**

A certain Circle of paper has x degrees cut out of it. The two cut edges are taped together, curling the paper up into a right circular cylinder of height 8 and with a base of radius 6. What is the value of x? A) 74 B) 90 C) 120 D )144 E) 200
*Saturday, April 5, 2014 at 8:44pm*

**Math, Geometry**

The percent grade of a highway is the amount that the highway raises or falls in a given horizontal distance. For example, a highway with a four percent grade rises 0.04 mile for every 1 mile of horizontal distance. a. How many feet does a highway with a six percent grade rise...
*Friday, April 4, 2014 at 5:01pm*

**geometry**

a a swimming pool having the shape of a rectangular solid has a length of 100 feet, a width of 32 feet,a depth of 8 feet. if the pool is 3/4 full with water,how many cubic feet of water are in the pool
*Friday, April 4, 2014 at 1:55pm*

**Geometry**

what's the surface area of a right trapezoidal prism
*Thursday, April 3, 2014 at 5:46pm*

**Geometry**

what's the formula for the base area of a right triangular prism
*Thursday, April 3, 2014 at 5:45pm*

**geometry maths**

a circle of radius 1 is inscribed in a square. A smaller circle is tangent to two sides of the square and the first circle. Determine the radius of smaller circle and larger circle
*Thursday, April 3, 2014 at 1:24pm*

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