Friday
February 12, 2016

# Homework Help: Math: Geometry

## Recent Homework Questions About Geometry

Coordinate geometry
Help me i this please the segment joining the midpoint of 2 sides f a triagle is parallel to the 3rd side and half as long. thaks
Monday, February 3, 2014 by King

Geometry
Trying to find the scale for a 77 centimeter by 53 centimeter painting to fit on a 8.5 by 11 inch paper. Please show me how-
Sunday, February 2, 2014 by RR

geometry
how does the volume of an oblique cylinder change if the radius is reduced to 2/9 of it's original size and the height is quadrupled?
Sunday, February 2, 2014 by Anonymous

Geometry
Jason wants to walk the shortest distance to get from the parking lot to the beach. a.How far is the spot on the beach from the parking lot? b. How far will he have to walk from the parking lot to get to the refreshment stand?
Saturday, February 1, 2014 by Andrew

GEOMETRY MIDPOINT FORMULA steve how did this hapn
If a line is extended from A (2,3) through B ( -2, 0 ) to a point so that AC = 4ab Find the coordinates of C Please help thanks so much GEOMETRY MIDPOINT FORMULA - Steve, Thursday, January 30, 2014 at 11:58am B-A = (-4,-3) C-A = 4(B-A) = (-16,-12) C = A+(C-A) = (-14,-9)
Friday, January 31, 2014 by Joy

geometry
Dru is challenged by her geometry teacher to estimate the height of the school flag pole without measuring. She decided to walk off the length of the shadow cast by the pole by successively walking the noted length of her shadow. If dry is 5ft 6 in.tall and she estimates the ...
Thursday, January 30, 2014 by jan

GEOMETRY MIDPOINT FORMULA
If a line is extended from A (2,3) through B ( -2, 0 ) to a point so that AC = 4ab Find the coordinates of C Please help thanks so much
Thursday, January 30, 2014 by Joy

geometry
can not figure out how to simplify a problem into scientific notation
Wednesday, January 29, 2014 by hailey

geometry
-4x+3y=3 7x-9y-6 solve
Sunday, January 26, 2014 by camila

geometry
solve for -4x=3y=3 7x-9y-6
Sunday, January 26, 2014 by jennifer

Geometry
Player hits the ball at point A an angle of 45 degrees on a pool table that measures 9’ by 4.5’. How many times will the bait a side of the table before going into a pocket?
Sunday, January 26, 2014 by Jenn

Geometry/Algebra/Calculus
Why isn't the surface area of a sphere with radius r the following: 2*pi * (pi*r) That comes from the following flow of logic: Doesn't it makes sense to think of the surface area of the sphere with radius r as the the circumference of the semi-circle with radius r, pi*...
Sunday, January 26, 2014 by John

geometry
triangle GHE GH=10 HE = 17 hypotenuse GE =21 HF is an altitude Find HF
Saturday, January 25, 2014 by becky

geometry
Quad ABCD with diagonal DB. <adc=90, <c=91, <cbd=43. segment ad=segment dc=9. Which segment is longer ab or ad and why? steve, how are you solving for <abd, what are you assuming about <abc?
Friday, January 24, 2014 by Jacob

geometry
A cylinder has a height of 16 cm and a radius of 5 cm. A cone has a height of 12 cm and a radius of 4 cm. If the cone is placed inside the cylinder as shown, what is the volume of the air space surrounding the cone inside the cylinder? (Use 3.14 as an approximation of π.)
Thursday, January 23, 2014 by jason

Geometry
For a cone, if the radius was quadrupled and the slant height was reduced to one sixth of its original size, what would be the formula to find the modified surface area?
Thursday, January 23, 2014 by Torri

Geometry
The sides of a quadrilateral are 3, 4, 5, and 6. Find the length of the shortest side of a similar quadrilateral whose area is 9 times as great. A. 9 B. 13.5 C. 27
Thursday, January 23, 2014 by Cody

Math
Who knows how to do similar polygons in Geometry?!!!
Thursday, January 23, 2014 by Kitty

geometry
Calculate lengths of ap,bp,cp. A(0,0) B(0,2k) C(2h,0) P(h,k)?
Wednesday, January 22, 2014 by ann

geometry
If m fcg= 9x+3 and gcb= 13x-9 Find gcb
Tuesday, January 21, 2014 by Stacey

geometry
A rectangle is 3.2 centimeters wide and 8 centimeterslong.A similar rectangle is 5centimeters long.What is the width of the second rectangle.
Tuesday, January 21, 2014 by Cassandra nagana

HELP GEOMETRY
If PQRS is a rectangle and M is the midpoint of RS, prove PM is congruent to QM. P----------------Q |\ /| | \ / | | \ / | | \ / | | \ / | R--------M-------S *be as explanatory as possible
Saturday, January 18, 2014 by HELP!!!!!!!!!!!!!!!

Geometry Proofs (w/Pic)
If PQRS is a rectangle and M is the midpoint of RS, prove PM is congruent to QM. P----------------Q |\ /| | \ / | | \ / | | \ / | | \ / | R--------M-------S *be as explanatory as possible
Saturday, January 18, 2014 by HELP

geometry
An ant looks to the top of a bulding at an angle of elevation of 32°. The ant then walks an additional 66 feet from the edge of the building. If the new angle of elevation from the ant to the top of the building is 22°, find the height of the building. Round to the ...
Friday, January 17, 2014 by Lauren

Geometry
Use the figure of a square pyramid to answer the following questions. a.) Find the total surface area of the pyramid. b.) Find the volume of the pyramid. Do not answer them. I know How to find the answer. Surface Area is squared right?
Friday, January 17, 2014 by David

Geometry
A person who is 5 feet, 6 inches (5.6 feet) tall casts a shadow (from N to S) that is 12 feet long. The distance along the ground from the person (N) to the flagpole (G) is 18 feet. Find the height of the flagpole (FG) showing all calculations.
Friday, January 17, 2014 by David

Well, I am trying to get geometry polygons and angles, but it's really hard to understand what to do. I'm not one to exaggerate and say I'm dying, but I'm pretty desperate for some help. If someone could explain the basics in simple terms or even post a helpful...
Thursday, January 16, 2014 by Larkin

Geometry
What is the reason called when there are two legs on an isosceles triangle, are bisected using a mid segment to form a trapezoid, and you are trying to prove the legs of the trapezoid are congruent?
Tuesday, January 14, 2014 by Kathleen

Geometry/Math
Judy lies on the ground 45 feet from her tent. Both the top of the tent and the top of a tall cliff are in her line of sight Her tent is 10 feet tall. About how is the cliff? Assume the two triangles are similar. Postscript: The distance from the tent to the cliff is 400 feet...
Tuesday, January 14, 2014 by Taylor

geometry
A person who is 5 feet, 6 inches (5.5 feet) tall casts a shadow (from N to S) that is 12 feet long. The distance along the ground from the person (N) to the flagpole (G) is 18 feet. Find the height of the flagpole (FG) showing all calculations. What is the length of SP and PF?
Tuesday, January 14, 2014 by David

Geometry
Stephanie casts a shadow of 1.2m and she is 1.8m tall. A wind turbine casts a shadow of 10m at the same time that Stephanie measured her shadow. Draw a diagram of this situation and then calculate how tall the wind turbine is.
Saturday, January 11, 2014 by Karen

Geometry
Suppose point J has coordinate of -2 and JK=4. Then what is the possible coordinate(s) for K?
Friday, January 10, 2014 by Chris

geometry
abcd is a square picture frame. efgh is a square inscribed within abcd as a space for a picture. the area of efgh (for the picture) is equal to the area of the picture frame (the area of abcd minus the area of efgh). if AB=6, what is the length of EF
Friday, January 10, 2014 by michelle

geometry
Suppose ABCD is a trapezium in which AB is parallel to CD and AD=BC.prove that angle A=angle B and angle C=angle D.
Friday, January 10, 2014 by Anonymous

geometry
what is the algebraic rule for x=4,y=1;x=6,y=1;x=8,y=2;x=10,y=2;x=12,y=​3;x=14,y=3;x=16,y=4;x=18,y=4...
Wednesday, January 8, 2014 by annie

geometry
if a 5-foot tall bush casts a 2-foot shadow how tall is a tree standing next to the bush that casts an 8-foot shadow at the same time?
Tuesday, January 7, 2014 by andy

geometry
RST with vertices R (-2, -2) , S (-3, 1) , and T (1, 1) is translated by (x, y) → (x - 1, y + 3) . Then the image, RST , is translated by (x, y) → (x + 4, y - 1) , resulting in R "S"T ". a. Find the coordinates for the vertices of R &...
Monday, January 6, 2014 by Anonymous

geometry
what is the area of a hexagon with a base of 11m to the nearest whole number?
Friday, January 3, 2014 by steven

Geometry
In rectamhle ABCD, diagonals AC and BD intersect at E. if AC=36 and BD=2x+30, find x.
Thursday, January 2, 2014 by Jatori

geometry
Find the surface area of a cone with a slant height of 11 and a radius of 15. Use 3.14 for ð. Round your answer to the nearest tenth.
Sunday, December 29, 2013 by Anonymous

Geometry
If point a is (0,n) and b is (k,0) and point o is (0,0) what is the length of a and b And the length of de Do not solve just wants letters
Tuesday, December 24, 2013 by Anonymous

geometry
Given: Rectangle ABCD with coordinates A(0, 0), B(0, 8), C(5, 8), and D(5, 0). E is mdpt. of BC, and F is mdpt. of AD. Prove: EF = AB
Saturday, December 21, 2013 by ms.sue help

Geometry.
can you imply something if you are given that two altitudes intersect in a triangle?
Thursday, December 19, 2013 by Sammy

Geometry.
prove that the distance between any two points inside triangle abc is not greater than half the perimeter of triangle abc my teacher said to try doing this proof by contradiction. can someone please help??
Thursday, December 19, 2013 by Sammy

geometry
In a triangle MNO with altitude NP with MP of 15 and NP of 9 what is the length of PO? MNO creates a right angle!
Thursday, December 19, 2013 by Blake

Geometry
What's the difference between a postulate and a theorem?
Wednesday, December 18, 2013 by Anonymous

GEOMETRY TANGENTS
Triangle ACE is a circumscribed triangle. Points B, D and F are the points of tangency. If AC= 16 and AE is 9 cm and CE = 15 cm . Find AD, FE and CD HELP PLEASE VERY URGENT
Tuesday, December 17, 2013 by Keeley

GEOMETRY TANGENTS
TRIANGLE ACE IS A CIRCUMSCRIBED TRIANGLE. POINTS B,D AND F ARE POINTS OF TANGENCY . IF AC= 16 AND AE= 9 CM AND CE = 15 CM FIND AD, FE, AND CD. Thank you very mych
Tuesday, December 17, 2013 by Keeley

College geometry
Find the coordinates of the x-intercept. -x + 5y = -15 (Points : 1)
Tuesday, December 17, 2013 by patty

geometry
The measure of the angles in a parallelogram total 360. Write and solve a system of equations to determine the values of x and y. The parallelogram shows x and 5.5y. The triangle shows x and y. I have the first equation at 180= x + 5.5y. What would be another equation for the ...
Monday, December 16, 2013 by Jack

MATH - GEOMETRY/TRIGONOMETRY
A 6 foot man stands by a 30 foot radio tower and casts a 10 foot shadow. How long is the shadow cast by the tower and what time is it? I got 50 feet for the length of the shadow. What I cannot find out is, what time is it? I NEED THE TIME OF DAY. **NOT** THE LENGTH OF THE ...
Monday, December 16, 2013 by Griffin

Math [Geometry]
A 6 foot man stands by a 30 foot radio tower and casts a 10 foot shadow. How long is the shadow cast by the tower and what time is it? I got 50 feet for the length of the shadow. What I cannot find out is, what time is it?
Monday, December 16, 2013 by Griffin

geometry
I need to figure out this proof, the figure is two triangles forming a rhombus. Given: segment BD is the angle bisector of triangle ABC and triangle ADC Prove: Triangle ABD is congruent to Triangle CBD So far I have segment BD is the angle bisector of triangle ABC and triangle...
Sunday, December 15, 2013 by cassidy

geometry
in circle O, perpendicular chords AB and CD intersect at E so that AE=2, eb=12 and CE=4. find the radius of a circle O and the shortest distance from e to the circle
Sunday, December 15, 2013 by ajhane

Geometry
RS=3X+1,ST=2x-2,And RT=64 Find The Vaule Of X ?
Friday, December 13, 2013 by Tranae

Math - Precalculus - Parametric Equations/Geometry
A hockey puck of diameter 3 inches is spinning around its center at a speed of 3 counterclockwise rotations per second. The center of the puck is traveling at a speed of 24 inches per second at an angle of 45 degrees to the positive real axis. (a) At time t=0, the center of ...
Wednesday, December 11, 2013 by Sam

chemsitry
The molecular geometry of POCl3 is tetrahedral. What hybridization does this indicate for the central P atom? Why is the answer spy?
Wednesday, December 11, 2013 by Chelsea

basic geometry
for safety reasons , anyone parasailing behind a boat needs to stay at least 25 feet away from the back of the boat. if you were parasailing using a 250 foot rope , how far from the boat would you be if you were 100 feet high in the air ? round to the nearest tenth. what is ...
Wednesday, December 11, 2013 by anabelle need help!

basic geometry
the three verticies of a triangle can be found at the points A(2,3) , B(-3,6), C(-4,-3) how long is each side of the triangle ab,bc,and ac explain how you got the answer. is this triangle a right triangle ? why and explain.
Wednesday, December 11, 2013 by anabelle need help!

GEOMETRY PLZ HELP!
Mrs.sally needed to build a triangular platform in the shape of an isosceles right triangle . The legs of the triangle are 6"long how long was the base side of the triangular platform ? She also made wall panels for the show that were 4" wide . How many panels would ...
Tuesday, December 10, 2013 by Anabelle

basic geometry
mrs. sally needed to build a triangular platform in the shape of an isosceles right triangle. the legs of the triangle are 6"long how long was the base side of the triangular platform? she also made well panels for the show that were 4" wide. how many wall panels ...

geometry
mrs. sally needed to build a triangular platform in the shape of an isosceles right triangle. the legs of the triangle are 6"long how long was the base side of the triangular platform? she also made well panels for the show that were 4" wide. how many wall panels ...
Tuesday, December 10, 2013 by anabelle

Geometry
An equilateral triangle has side lengths of 10. If the consecutive midpoints of the triangle are joined, then find the perimeter of the new triangle that is formed
Tuesday, December 10, 2013 by Hannah

GEOMETRY CIRCLES
1. Ab is a chord of a circle with center o and radius 52 cm . point m divides the chord ab such that am = 63 cm and mb=33 cm find om 2. A circle is inscribed in a triangle whose sides are 10, 10 and 12 units . a second smaller circle is inscribed tangent to the first circle ...
Tuesday, December 10, 2013 by Talon

Geometry
I need to do an assignment where I find two cereal boxes that have the same volume but differ in surface area? Can someone please tell me when I'm looking at the boxes what I need to be looking at to compare these two things please? Thank you!
Tuesday, December 10, 2013 by Josh

1. Ab is a chord of a circle with center o and radius 52 cm . point m divides the chord ab such that am = 63 cm and mb=33 cm find om 2. A circle is inscribed in a triangle whose sides are 10, 10 and 12 units . a second smaller circle is inscribed tangent to the first circle ...
Tuesday, December 10, 2013 by Talon

Geometry
Quadrilateral RUBY is a rectangle. Which of the following statements MUST be true? Check all that apply: [] All four of the sides of RUBY are equal. []All four of the angles of RUBY are equal. []RUBY has two pairs of parallel opposite sides.
Monday, December 9, 2013 by Jess

Geometry
Find the missing numbers for the dimensions and measures of a rectangular prism... Length ? Width 2.5 m Height 4.6 m Surface Area ? Volume 172.5 m to the third power Please answer the one's with a ?. Thank you.
Monday, December 9, 2013 by Susie

Geometry
I need an example of two cereal boxes that have the same volume but different surface area. I need the brand and box sizes. Then I need to pick one of the cereal boxes and redesign it so that it has the same volume but less surface area. Why do you think most products are not ...
Monday, December 9, 2013 by Johnnie

Geometry
Find the missing numbers for the dimensions and measures of a rectangular prism... Length 5 m Width ? Height ? Surface Area 94 m to the second power Volume 60 m to the third power Please answer the one's with a ?. Thank you.
Monday, December 9, 2013 by Susie

Geometry
Kelly drew four points A, B, C, and D in her notebook. A straight line joins points A and C. Another straight line joins A and B. A point D is located on the left of the line AB Kelly made the following statements about the points. Statement 1: There is at least one more point...
Monday, December 9, 2013 by Jessica

Help me pls geometry
UVW~XYZ, UV= 15, UW=25, and XZ=60. If the perimeter of XYZ is 168, what is the perimeter of UVW?
Monday, December 9, 2013 by Alexis

1. Ab is a chord of a circle with center o and radius 52 cm . point m divides the chord ab such that am = 63 cm and mb=33 cm find om 2. A circle is inscribed in a triangle whose sides are 10, 10 and 12 units . a second smaller circle is inscribed tangent to the first circle ...
Monday, December 9, 2013 by Talon

help me pls geometry
Which tirangles must be similar 1. Two right triangles with a congruent acute angle 2. Two obtuse angles 3 Two isosceles triangles with congruent bases 4. Two scalene triangles with a congruent angle
Monday, December 9, 2013 by alexis

help me pls geometry
If ab=8, BC=14, and df=33 what is ef?
Monday, December 9, 2013 by alexis

HELP ME PLEASE. 1.An isosceles triangle with each leg measuring 13 cm is inscribed in a circle . if the altitude to the base is 12 cm find the radius of the circle 2. Circles a and b are tangent at point c. p is on circle a and q is on circle b such that pq is tangent to both...
Sunday, December 8, 2013 by BARBIE LEE

GEOMETRY CIRCLE
1.An isosceles triangle with each leg measuring 13 cm is inscribed in a circle . if the altitude to the base is 12 cm find the radius of the circle 2. Circles a and b are tangent at point c. p is on circle a and q is on circle b such that pq is tangent to both circles. Given ...
Sunday, December 8, 2013 by BARBIE LEE

Trigonometry/Geometry - Inequalities
Let a, b, and c be positive real numbers. Prove that sqrt(a^2 - ab + b^2) + sqrt(a^2 - ac + c^2) is greater or equal to sqrt(b^2 + bc + c^2). Under what conditions does equality occur? That is, for what values of a, b, and c are the two sides equal? This looks like a geometry...
Saturday, December 7, 2013 by Sam

1.An isosceles triangle with each leg measuring 13 cm is inscribed in a circle . if the altitude to the base is 12 cm find the radius of the circle 2. Circles a and b are tangent at point c. p is on circle a and q is on circle b such that pq is tangent to both circles. Given ...
Saturday, December 7, 2013 by BARBIE LEE

Trigonometry - Geometry - side lengths
In convex quadrilateral ABCD, angle A is congruent to angle C, AB=CD=180, and AD is not equal to BC. The perimeter of ABCD is 640. Find cos A. Hmm...I drew the diagram, and labeled some things, I drew an altitude from D to AB and did some other things, but no success was ...
Friday, December 6, 2013 by Sam

Geometry
Find the missing numbers for the dimensions and measures of a rectangular prism... Length ? Width 7 m Height 5 m Surface Area 214 m to the second power Volume ? Please answer the one's with a ?. Thank you.
Friday, December 6, 2013 by Jacob

Geometry
If x is the midpoint of line vy and wz and the reason is given then wx=xz and vx=xy then angle wxv = angle yzx to get the triangle vwx congruent to triangle yzx then what would be the reasons after given to make the triangle congruent
Friday, December 6, 2013 by Anonymous

Geometry
If x is the midpoint of line vy and wz And the prove is triangle vwx is congruent triangle yzx can you help me solve this using two column prove
Thursday, December 5, 2013 by Anonymous

Geometry
Let's say a company is manufacturing juice boxes that are rectangular prisms with dimensions 4 inches by 3 inches by 4 inches. The company has a warehouse whose dimensions are 40 feet by 30 feet by 20 feet. If the company makes 200,000 juice boxes, will it be able to store...
Thursday, December 5, 2013 by Jacob

Geometry
Imagine a piece of square paper that measures 20 by 20 cm. You can make a box (with no lid) by cutting a square of the same size from each corner and folding up what's left to make a box. Keeping the lengths of each sides integers, what is the maximum volume box that can ...
Thursday, December 5, 2013 by Ella

Trig-Weird Geometry Problem
Determine all triangles ABC for which tan(A-B)+tan(B-C)+tan(C-A)=0. There's a hint: "Can you relate A-B to B-C and C-A?" Should I apply the tangent difference formula (tan(x-y))? Help would be appreciated, thanks.
Thursday, December 5, 2013 by Sam

Geometry
1. If ΔRST symbol ΔNPQ, then RT line is congruent to _____. (1 point) line NP line NQ line PQ line QP 2. Given RST NPQ, RT = 7x – 5, NQ = 5x + 11, find the length of RT and of NQ. (1 point) 8 51 40 56 3. Which of the following statements is true about the ...
Thursday, December 5, 2013 by hi

Geometry
How to solve for perpendicular bisectors of right triangle. RST meet at point D. Find DR
Wednesday, December 4, 2013 by Shea

Geometry
A softball player asked her father to make her a home plate for a softball game. According to her encyclopedia, an official plate is made from a square by making two 12-inch diagonal cuts upward from both bottom corners. What is the length of the side of the original square?
Wednesday, December 4, 2013 by Samantha

Geometry/Trigonometry
Circles with centers (2,1) and (8,9) have radii 1 and 9, respectively. The equation of a common external tangent to the circles can be written in the form y=mx+b with m < 0. What is b? I drew the diagram and the tangents but to no avail. I cannot seem to find the points ...
Wednesday, December 4, 2013 by Sam

Geometry
How is the size of a TV measured? If we are comparing a 15-inch TV and a 30-inch TV, what is twice as big about the bigger TV?
Wednesday, December 4, 2013 by John

Geometry
Find the area of the triangles in square centimeters: a. 3.5, 4.8, 6.1 b. 10.2, 4.4, 7.1
Wednesday, December 4, 2013 by Missy

The diagram shows tangent circles and lines. if AB=15 CM find AC, AD and AE . Help me reiny and other tutors please<3 thank you this is the figure img19.(imageshack.)us/img19/7143/0eua.pn​g just remove the open and close parentheses thank you
Wednesday, December 4, 2013 by BARBIE LEE

Trigonometry/Geometry
Rhombus ABCD, with side length 6, is rolled to form a cylinder of volume 6 by taping AB to DC. What is sin(angle ABC)? I don't know how to begin. Help?
Tuesday, December 3, 2013 by Sam

geometry
Kendra is flying a kite 35 feet in the air. The angle of depression from the kite to where Kendra holds the string is 32 degrees. If Kendra holds the string 3 feet off the ground, what is the distance from her hands to the kite? Round your answer to the nearest tenth.
Tuesday, December 3, 2013 by david

geometry
A diameter of a circle is perpendicular to a chord whose length is 12 inches. If the length of the shorter segment of the diameter is 4 inches, what is the length of the longer segment of the diameter?
Tuesday, December 3, 2013 by Rachel

geometry
A diameter of a circle is perpendicular to a chord whose length is 12 inches. If the length of the shorter segment of the diameter is 4 inches, what is the length of the longer segment of the diameter?
Tuesday, December 3, 2013 by Rachel

geometry
A diameter of a circle is perpendicular to a chord whose length is 12 inches. If the length of the shorter segment of the diameter is 4 inches, what is the length of the longer segment of the diameter?
Tuesday, December 3, 2013 by Rachel

geometry
Two secant segments are drawn to a circle from a point outside the circle. The external segment of the first secant segment is 8 centimeters and its internal segment is 6 centimeters. If the entire length of the second secant segment is 28 centimeters, what is the length of ...
Tuesday, December 3, 2013 by Rachel

geometry
Two secant segments are drawn to a circle from a point outside the circle. The external segment of the first secant segment is 8 centimeters and its internal segment is 6 centimeters. If the entire length of the second secant segment is 28 centimeters, what is the length of ...
Tuesday, December 3, 2013 by Rachel