Friday

November 27, 2015
**Geometry**

The perimeter of a rectangle is 102 inches, and the length of the diagonal is 39 inches. Find the dimensions of the rectangle.
*Sunday, February 16, 2014 by Anonymous*

**algebra 1/BGe**

Geometry.the figures below are squares.find an expression for the area of each shaded region.write your answers in standard form.
*Friday, February 14, 2014 by jeancarlos*

**geometry**

if the measurement of angle fgk is 3y-4 and measurement of angle kgh is 2y+7 find x
*Thursday, February 13, 2014 by jenn*

**geometry**

a cylindrical soup can has a volume of 335cm^3.find the dimensions(radius r and height h)that minimise the surface area of such a can.
*Thursday, February 13, 2014 by tk*

**geometry**

elaine and Daniel are building a rectangular greenhouse.they want the are of the floor to be 36metres squared.since the glass walls are expensive,they want to minimise the amount of glass wall they use.they have commissioned you to design a greenhouse which minimizes the cost...
*Thursday, February 13, 2014 by tk*

**Geometry**

Which theorem or postulate is the construction of parallel lines based upon? A. Consecutive Interior Angles Converse Theorem B. Corresponding Angles Converse Postulate C. In the same plane, if two lines are perpendicular to the same line, then they are parallel to each other. ...
*Wednesday, February 12, 2014 by Haylee *

**Geometry**

What is the area of an equilateral triangle with sides of 10 inches and height of 7 inches? Can you please check my answer and my reasoning? A. 44 sq. in. B. 20 sq. in. C. 70 sq. in. D. 35 sq. in. I picked D, because I took 10x7=70and divided that by 2, which equals 35 sq. in...
*Wednesday, February 12, 2014 by Carrie*

**Geometry**

Write the ratio of the first measurement to the second measurement. Diameter of care tire:40cm Diameter of care tire:18mm I'm not sure hoow to do this. May someone explain how to do this problem.
*Wednesday, February 12, 2014 by Candy*

**geometry**

An architect plans to make a drawing of the room of a house. The segment LM represents the floor of the room. He wants to construct a line passing through Q and perpendicular to side LM to represent a wall of the room. He uses a straightedge and compass to complete some steps ...
*Monday, February 10, 2014 by Rhea*

**Geometry**

A ladder leaning against a house makes an angle of 60 degrees with the ground. The foot of the ladder is 7 ft from the house. How long is the ladder?
*Sunday, February 9, 2014 by Evra*

**Geometry **

Andrea has a yard shaped like parallelogram ABCD. The garden area, parallelogram EFGB, has an area of 105 ft. If Andrea wants to sod the rest of her yard, how many square feet of sod should she order? A. 765 ft B. 840 ft C. 945 ft D. 1,515 ft
*Sunday, February 9, 2014 by anon*

**Geometry **

Maria is making a stained glass window in the form of a kite. The width of the window must be 15 in., and she only has enough stained glass to cover 60 in. What should the height of the window be? A. 4 in. B. 6 in. C. 8 in. D. 12 in.
*Sunday, February 9, 2014 by anon*

**geometry**

My problem is with a parallelogram that has three numbers which are 88 degrees,104,and 80. Then the fourth on is 8x minus 2 how do I slove this
*Thursday, February 6, 2014 by noah*

**Geometry**

Larry has a ladder that is 16' long. If he sets the base of the ladder on level ground 5 feet from the side of the house, how many feet above the ground will the top of the ladder reach when it rests against the house?
*Thursday, February 6, 2014 by Nena*

**geometry**

An advertising blimps hovers over stadium at the altitude of 152 m.the pilot sites a tennis court at in 80 degree angle of depression. Find the ground distance in the straight line between the stadium and the tennis court. (note: in an exercise like this one, and answers ...
*Thursday, February 6, 2014 by Jasmine*

**Coordinate geometry **

Our lesson coordinate geom already now analytic proof . HOW TO DO ANALYTIC PROOF ? PLEASE PLEASE HELP THANKS VERY MUCH
*Wednesday, February 5, 2014 by Joy*

**Geometry**

Jenny is 5ft 2in tall to find the height of The light pole she measured her shadow And the poles shadow what is The height of the light pole
*Tuesday, February 4, 2014 by Anonymous*

**mathematic**

how to do eucliodean geometry
*Tuesday, February 4, 2014 by bahle*

**Algebra/Geometry**

Identify the sequence of transformations that maps quadrilateral abcd onto quadrilateral a"b"c"d" Answers 180 rotation around the origin; reflection over the x-axis translation (x,y) -> (x - 2, y + 0); reflection over the line x = -1 enlargement; ...
*Monday, February 3, 2014 by A Girl*

**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*

**Geometry - 8th grade**

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 ...
*Tuesday, December 10, 2013 by anabelle please help !*

**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*

**Geometry about the 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**

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 *

**Geometry about the 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 ...
*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*

**GEOMETRY CIRCLES PLEASE**

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*

**GEOMETRY CIRCLES 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 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*