# Homework Help: Math: Geometry

## Recent Homework Questions About Geometry

**Geometry**

What is the scale factor of the area 78in2/128in2? I know area is a2/b2. Now I took the square root and would that be my answer? Can you please do the square root because I get a looooong decimal. Thank you!

*Tuesday, March 28, 2017 by Karen Shek*

**Geometry**

Express answer in exact form. Find the area of the larger segment whose chord is 8" long in a circle with an 8" radius. (Hint: A chord divides a circle into two segments. In problem 1, you found the area of the smaller segment.) I've no idea how to do this, please help me out ...

*Tuesday, March 28, 2017 by Jessica*

**Geometry**

The sides of one triangle are twice as long as the corresponding sides of a second triangle. What is the relationship between the angles?

*Sunday, March 26, 2017 by Susey*

**Geometry**

On the scale drawing of a floor, plan A room is 7 in. long on the scale drawing. Find the actual length of the room.

*Saturday, March 25, 2017 by Maria*

**Geometry**

In a quadrilateral ABCD, AB is parallel to DC and AD is parallel to BC. Find the perimeter of ΔCOD if the diagonals of the quadrilateral intersect each other at pointOand AC = 20 in, BD = 20 in, AB = 13 in Can You Add the Answer,

*Friday, March 24, 2017 by Gracie*

**geometry**

The foot of a 25-foot ladder is 15 feet from a wall. If the ladder is pushed until its foot is only 7 feet from the wall, how much farther up the wall is the ladder pushed?

*Thursday, March 23, 2017 by jay*

**GEOMETRY**

Erica made a poster in the shape of a quadrilateral that has only one pair of parallel sides. Which of the following names the shape of Erica's poster? A.square B.rhombus C.rectangle D.trapizoid

*Thursday, March 23, 2017 by CJ SO COOL*

**geometry**

find the perimeter of a regular octagon with an area of 80 m and an apothem of 5m

*Wednesday, March 22, 2017 by sanjana*

**Geometry**

The cost of the wood is $34 per square foot.The units in the graph are in feet. How much will it cost to create the deck? 8'x 8' 1/2"

*Wednesday, March 22, 2017 by Victoria*

**geometry**

A garden is in the shape of a rectangle 26 feet long and 35 feet wide. If the fencing costs $5 a foot, what will it cost to place fencing around the perimeter of the garden?

*Tuesday, March 21, 2017 by Anonymous*

**geometry**

Two angles join to form a right angle. The measure of one of the angles is 64 degrees. What is the measure of the other angle?

*Monday, March 20, 2017 by hector*

**Geometry**

In triangle XYZ the measure of angle X equals 34 degrees and the measure of angle Z equals 38 degrees find the measure of angle y

*Sunday, March 19, 2017 by Jesse*

**Geometry**

Given: AB ∥ CD , BC ∥ AD , BD ∩ AC = O, M∈BC ; N∈AD Prove: BM = ND BD and AC are diagonals MN goes through the center which is also where BD and AC bisect and point O Can U Guys Put the Answer it would be a BIG HELP, Thanks (:

*Sunday, March 19, 2017 by Serina*

**geometry**

Let the incircle of triangle $ABC$ be tangent to sides $\overline{BC}$, $\overline{AC}$, and $\overline{AB}$ at $D$, $E$, and $F$, respectively. Prove that triangle $DEF$ is acute. I have tried proving that triangle DEF's angles were les than the opposite angles in triangle ...

*Friday, March 17, 2017 by Aaa*

**Math - Geometry!!!**

What shape is created if you connect the following points: (1,1), (5,1),(7,3), and (3,3)?

*Friday, March 17, 2017 by Luca Gonzalez*

**Geometry proportions in triangles**

1. What similarity statement can you write relating the three triangles in the diagram? A. UVW~UWT~WVT B. UVW~ WUT~WVT C. WUT~ VUW~WVT D. TWV~ WUV~UWT 2. What are the values of A and B? A. a=9/2, b=15/2 B. a=15/2, b= 9/2 C. a=16/3, b=15/2 D. a=9/2, b=13/2 3. What is the value ...

*Friday, March 17, 2017 by Idkkk*

**Geometry**

Tirzah wants to put a fence around her garden. She has 22 yards of fence material. Does she have enough to go all the way around the garden? I put No, because she only has 11 5/12 of fence when 22 yards of fence is needed. Please give your opinion about my answer. T^T

*Thursday, March 16, 2017 by Flowtana Ink*

**Geometry**

"Find the perimeter of the figure, where AC=26, AD=BF, and D is the midpoint of AC. Round your answer to the nearest tenth."

*Thursday, March 16, 2017 by James*

**maths**

A right angled triangle has sides a and b where a<b. If the right angle is bisected then then find the distance between orthocentres of the smaller triangles using coordinate geometry.

*Wednesday, March 15, 2017 by sivakumar*

**maths**

A right angled triangle has sides a and b where a<b. If the right angle is bisected then then find the distance between orthocentres of the smaller triangles using coordinate geometry.

*Wednesday, March 15, 2017 by sivakumar*

**Geometry**

Find the dimensions of a rectangular solid for which the sum of all the edges is 76, the total surface area is 206 square units, and the volume is 165 cubic units.

*Sunday, March 12, 2017 by Dodie*

**geometry**

Given: LM || KN , KL || NM , LP = h1 = 5 cm, MQ = h2 = 6 cm, PKLMN = 42 cm Find: Area of KLMN.

*Sunday, March 12, 2017 by Crazy101*

**geometry**

Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule. A(n)=-2+(n-1)(-2.2)

*Saturday, March 11, 2017 by Anonymous*

**geometry**

Do you use the formula: (n-2)180 / n to find the measure of each arc that corresponds to a side of a polygon? Example: a hexagon (6-2))180/6 = 120 ?

*Friday, March 10, 2017 by jill*

**geometry**

when do you use the following formula: (n-2)180 divided by n

*Friday, March 10, 2017 by jill*

**geometry**

what is the measure of the arc of a regular octagon inscribed in a circle? i think it is 45. am i correct

*Friday, March 10, 2017 by Jill*

**Geometry**

The perimeter of a rectangle is 12 in. If the length and width are whole numbers, what are the least and greatest possible areas?

*Thursday, March 9, 2017 by yermomsawsome*

**geometry**

In right triangle ABC, Angle C = 90 degrees, D is a point on AB, and CD is perpendicular to AB. AB = 20 and AD = 5. Find AC I tried formulas like soacahtoa and Pythagorean theorem but I am unable to figure this out.

*Thursday, March 9, 2017 by Phoenix*

**Geometry**

A pre-image segment with endpoints (3,-2) and (4,2) is dilated to the image segment with endpoints (9,-6) and (12,6). What is the scale factor for the dilation?

*Thursday, March 9, 2017 by Darth*

**geometry**

A 12-foot ladder that is leaning against a wall makes a angle with the level ground. What equation can be used to determine the height in feet (y) from the ground to where the ladder touches the wall?

*Thursday, March 9, 2017 by why*

**Math**

I need the answers to the Unit 1 Lesson 13 Geometry test! Please! Connections academy math unit test.

*Tuesday, March 7, 2017 by Justin Elias*

**Geometry**

What are the values of a and b? A. a=9/2 b=15/2 B. a=15/2 b=9/2 C. a=16/3 b=15/2 D. a=9/2 b=13/2 The triangle has a hypotenuse that is 8 and a with the other side being 10 and another side of b. the altitude is 6.

*Tuesday, March 7, 2017 by KYLIE*

**Geometry**

what is the value of x in the diagram? A. 1/2 B. 4/21 C. 2 D. 4 The fractions for cross multiplication are 9/4x-2 and 12/3x+2 I tried to do it but it was not an answer and i dont know what i did wrong

*Tuesday, March 7, 2017 by KYLIE*

**Geometry**

Find the perimeter of a region bounded on three sides by a rectangle with a base of 600 ft and a height of 800 ft and bounded above by a semicircle with a radius of 300 ft. Use the approximation π = 3.14. (Do not include the lower half of the semicircle in the perimeter)

*Tuesday, March 7, 2017 by Juanita*

**Geometry**

What is the area of the largest circle that will fit into a rectangle with dimensions 7.5 cm by 10.8 cm? Use 3.14 as the approximate of π and round your answer to the nearest tenth of a square centimeter.

*Tuesday, March 7, 2017 by Juanita*

**Geometry**

the perimeter of a rectangular painting is 260 cm If the length of the painting is 78 cm what is its width

*Monday, March 6, 2017 by Bishna*

**Geometry**

In the figure to the right, ABCD is rectangle. Find the area of △ABC, if the area of △AOD is 10.

*Sunday, March 5, 2017 by Matt*

**Calculus**

Use geometry to evaluate the integral from negative 3 to 3 of f of x, dx for f of x equals the square root of the quantity 4 minus the square of the quantity x plus 1 for x is between negative 3 and 1 including negative 3 and 1, and equals the absolute value of the quantity (x...

*Sunday, March 5, 2017 by Tyler*

**Urgent--Geometry(trig part)**

So I am new to sine, cosine, and tangent, so I need some help. Just explain it. No need for the answers unless you want to give it to me. :D Let triangle ABC be a right triangle with angleC=90degrees. Given the tangent of one of the complementary angles of the triangle, find ...

*Thursday, March 2, 2017 by Anonymous*

**geometry**

The diagonal of a rectangle is 25 meters long makes an angle of 36 ° with one of the rectangle. Find the area and the perimeter of the parallelogram. how to find the b to arrive to the area?

*Thursday, March 2, 2017 by jaime*

**geometry**

The diagonal of a rectangle is 25 meters long makes an angle of 36° with one side of the rectangle. Find the area and the perimeter of the parallelogram.

*Thursday, March 2, 2017 by jaime*

**analytical geometry**

how to determine the length of the segment joining each pair of parts A(1;4) and B(-2-7)

*Wednesday, March 1, 2017 by sweetmemory*

**Math**

Triangle ABC has coordinates A(-4,-2), B(0,-2), and C(-4,1). Triangle DEF has coordinates D(3,6), E(3,2), and F(0,2). Use coordinate geometry to determine if these two triangles are congruent. If they are not congruent, state the reason. A: The triangles are congruent. B: The ...

*Wednesday, March 1, 2017 by Reeces*

**Geometry**

Can someone teach me how to solve this equation using substitution or elimination for {-3x+2y=23 {5x+2y=-17

*Wednesday, March 1, 2017 by GummyBears18*

**Geometry**

I need help simplifying the radical (IN RADICAL FORM ONLY) What's the square root of 224? Can you please show how you got the answer so I can learn how to do it myself next time please.

*Wednesday, March 1, 2017 by GummyBears18*

**Geometry**

4. Name a pair of alternate interior angles. pretend this (<) is the angle sign thing <3 and <4 <1 and <6 <3 and <6 <5 and <6

*Tuesday, February 28, 2017 by Riilesss*

**Math geometry**

1) The base angles of an isosceles triangle are (50-x)^6 and (30x-12)^6 what is the vertex angle? 2) The area of a trapezoid is 52cm^2 if it's bases are 8 cm apart find the sum of their heights 3) What is the area of a circle inscribed inside an equilateral triangle whose area...

*Monday, February 27, 2017 by K*

**Geometry**

Given: ΔАВС, m∠ACB = 90° m∠ACD = 30° AD = 8 cm. Find: CD, Perimeter of ΔABC plz add answer

*Saturday, February 25, 2017 by Alexa*

**High School Geometry**

Given: ∆AKL, AK = 9 m∠K = 90o m∠A = 60 ° Find: The perimeter of ∆AKL The area of ∆AKL 1/ AK perpendicular to LK 2/AL is the third side plz add answer and solution

*Saturday, February 25, 2017 by Alexa*

**High School Geometry**

Given: ΔTSP, TS = SP = 10cm, TP = 12cm. Find: Three altitudes of ΔTSP. for this one I only got one of the altitudes 2 √61 can you give me the other two and tell me if this one is right, sorry I am in a rush

*Saturday, February 25, 2017 by Alexa*

**High School Geometry**

In isosceles ΔABC, AC = BC, AB = 6 in, CD ⊥ AB , and CD =√ 3 in. Find the perimeter of the isosceles triangle. Can u plz put answer and equation thanks, :)

*Saturday, February 25, 2017 by Alexa*

**math**

(0,0) and (1,-1) from coordinate geometry

*Friday, February 24, 2017 by faizaan khan*

**High School Geometry**

The figures in (a) and (b) below are made up of semicircles and quarter circles; the figure in (c) shows a quarter of a circle in a square. Find the area and the perimeter of each figure in terms of Ï€. since I can't put a URL to the pic I will try to describe it 1/ a ...

*Thursday, February 23, 2017 by Alexa*

**Math**

6. Jackson Made A Poster In The Shape of A Quadrilateral. Each pair of opposite sides of the poster are congruent and parallel. Which of the following names best describes the shape of jacksons poster, A. Parallelogram ~~~ B. Rhombus c. Rectangle D. Trapezooid 7. As part of a(...

*Thursday, February 23, 2017 by Kolton*

**Geometry**

A circle is drawn inside a triangle ABC to touch the sides BC,CA and AB at P,Q and R respectively.if A=56° and B=68°, find the angles of triangle PQR

*Thursday, February 23, 2017 by Gbotty*

**Geometry**

The circle touches the sides of triangle ABC at X,Y and Z. If BC=11cm, CA=10cm and AB=9cm,find AY and BX

*Thursday, February 23, 2017 by Gbotty*

**Geometry**

Three circles touch one another externally.Their centres form A triangle with sides 10cm,9cm and 7cm.Find the radii of the circles

*Thursday, February 23, 2017 by Gbotty*

**Geometry**

Three circles centre A,B and C with radii 4cm, 3cm, 2cm, respectively, touch one another externally.Calculate the lengths of the sides of triangle ABC

*Thursday, February 23, 2017 by Gbotty*

**geometry**

A tourist is standing in the center of a roof 1000 feet skyscraper wants to a photo of the top of the adjacent skyscraoer that is 1500 feet tall what is the angle of elevation from the tourist to the top of the skyscraper to nearest yenth

*Wednesday, February 22, 2017 by sheila*

**Math**

The letters in the words ALGEBRA, GEOMETRY, and CALCULUS are represented by the sets V= {A, L, G, E, B, R}, W= {G, E, O, M, E, T, R, Y}, and X={C, A, L, U, S}, respectively. I don't understand this can someone help?

*Tuesday, February 21, 2017 by EmberShy*

**geometry**

write an indirect proof to prove that if there is a line and a point not on a line, then exactly one plane contains them

*Monday, February 20, 2017 by ann*

**geometry**

Given: ∆AKL, AK = 9 m∠K = 90o m∠A = 60 ° Find: The perimeter of ∆AKL The area of ∆AKL for this one i got 81 for the perimeter side a 6 and side b is 12

*Friday, February 17, 2017 by Allie*

**geometry**

In ΔABC, m∠ACB = 90°, and m∠ACD = 45°. Find:AC, if CD =6√2 in. can u put answer and solution

*Friday, February 17, 2017 by Allie*

**Geometry**

In the △PQR, PQ = 39 in, PR = 17 in, and the altitude PN = 15 in. Find QR. can u guys show how to solve the problem(plz include answer) i got 42 by using the pythagorean theorem i am not sure if i am correct but can u check it

*Friday, February 17, 2017 by Allie*

**Geometry**

ABCD is a parallelogram with diagonals intersecting at E. If AE = 3x + 12 and EC = 27, find the value of x.

*Friday, February 17, 2017 by kylie*

**Geometry**

(SAT Prep) The perimeter of pentagon ABCDE is 30 in, AB = 7 in, BC = CD = 6 in, DE = 5 in. How many sides of the pentagon have equal length?

*Tuesday, February 14, 2017 by Olivia*

**Math-Geometry**

For coordinates A(1,-4) B(5,-1) C(8,-5) D(4,-8) Prove ABCD is a rectangle through the use of a coordinate paragraph.

*Monday, February 13, 2017 by Monica*

**Geometry**

What is the most precise classification of the quadrilateral formed by connecting the midpoints of the sides of the isosceles trapezoid?

*Monday, February 13, 2017 by Denise*

**Geometry**

in two congruent triangles the ratio of lengths of two corresponding sides is 5:8. If the perimeter of the larger triangle is 10 ft less than twice the perimeter of the smaller triangle find the perimeter of each triangle

*Sunday, February 12, 2017 by Amy*

**Geometry**

In hexagon ABCDEF, AB = DE = 2, BC = EF = 4, CD = FA = 6, and all the interior angles are equal. Find the area of hexagon ABCDEF.

*Sunday, February 12, 2017 by Help for this*

**geometry**

the measure of one interior angle of a parallelogram is 50 degrees more than 4 times the measure of another angle. find the measure of each angle.

*Thursday, February 9, 2017 by Courtney*

**Math help FAST**

I need you guys to check my answers, please. I need an A so bad, all help is appreciated, thanks. Also, I can't put links :( 1.Lucy drew an isosceles triangle as shown If the measure of YZX is 25Â° what is the measure of XYZ? 50Â° 75Â° 130Â°*** 310Â° 2.The ...

*Thursday, February 9, 2017 by InsertNameHere*

**Geometry**

At a campground, a rectangular fire pit is 5 feet by 4 feet. What is the area of the largest circular fire that can be made in this fire pit? Use 3.14 for π. Round to the nearest square inch.

*Thursday, February 9, 2017 by Jose*

**Geometry**

In the parallelogram KLMN, the diagonal KM is 7 inches long. How long would LN have to be to ensure that KLMN is a rectangle?

*Tuesday, February 7, 2017 by Zoya*

**Geometry**

Full Question: The coordinates for a rhombus are given (2a, 0), (0, 2b), (-2a, 0), (0,-2b). Write a plan to prove that the midpoints of the sides of a rhombus determine a rectangle using coordinate geometry. Be sure to include the formulas. Image Description: The image looks ...

*Monday, February 6, 2017 by Unknown*

**Geometry**

The radius of the base of a cylindrical silo is 28 feet. If the distance from point B to the silo is 53 feet, what is the distance from point B to point A, a point of tangency?

*Monday, February 6, 2017 by Tamia*

**geometry**

In isosceles triangle ABC, ∠A = 80°. The bisectors of the base angles, ∠B and ∠C, intersect at point P. ∠BPC =

*Monday, February 6, 2017 by oscar*

**Geometry**

The parallelogram has the angle measuers shown. Can you conclude that it is a rhombus, a rectangle, or a square? Explain. So I'm going to describe the image then I'll give what I think would be a correct answer to explain. (I'm really bad at this) Description: There's a ...

*Monday, February 6, 2017 by Unknown*

**Geometry**

angle 1 and angle 2 are supplementary; angle 1=3x and angle 2=3x. in order to set up this equation, do I set it up this way: 3x+3x=180; or do I need to set them up seperately?

*Sunday, February 5, 2017 by sun*

**Geometry**

Discuss the differences between a coordinate geometry proof and a proof method that does not require coordinate geometry. When would it be appropriate to use a coordinate proof rather than another proof method?

*Sunday, February 5, 2017 by Unknown*

**Geometry**

A sailboat is heading directly north at a speed of 16 knots (1 knot = 0.514 m/s). The wind is blowing towards the east with a speed of 10.4 knots. (Both velocities are given relative to the Earth.) Determine the magnitude and direction of the wind velocity as measured on the ...

*Friday, February 3, 2017 by Ellie*

**Geometry**

What measurements (if any) are associated with each of the following ideas? a point; a line; a union of a square and its interior;and a union of a cube and its interior?

*Friday, February 3, 2017 by Melissa*

**Geometry**

PLZZZZZ HELP I SUCK AT GEOMETRY Find the area of the following shape. You must show all work to receive credit. Figure ABCDEF is shown. A is located at negative 2, 6. B is located at negative 5, 2. C is located at negative 2, negative 3. D is located at 4, negative 3. E is ...

*Friday, February 3, 2017 by Hannah*

**Geometry**

Is the following definiiton of supplementary reversible? If yes, write it as a true biconditional. Supplementary angles are two angles whose measures sum to 180. a. Yes, if angles are supplementary, the their measures sum to 180. b. Yes, angles are supplementary if (and only ...

*Wednesday, February 1, 2017 by Olivia N J*

**Geometry**

If a conditional and its converse are always true, then the statement is a a. converse. b. conditional. c. biconditional. d. counterexample. I am trying to do some geometry and haven't taken it in a while so can someone please help?

*Wednesday, February 1, 2017 by Olivia N J*

**Geometry**

Two unit squares share the same center. The overlapping region of the two squares is an octagon with perimeter 3.5. What is the area of the octagon? I don't know how to do this. Could you please help me?

*Tuesday, January 31, 2017 by Ally*

**Polygons and angels**

I need the answers for the lesson five polygons and angles unit one geometry test I usually know this stuff but all the sudden my brain stopped help please?

*Tuesday, January 31, 2017 by Lola's*

**Math Unit Geometry Test 8th Grade**

Does anybody know the answers for the geometry unit test, 8th grade ?

*Tuesday, January 31, 2017 by The idiot*

**Geometry**

I scored 5616 on my Geometry scantron but that number is to large to make any sense. Is that a good or a bad score. I'm in 9th Grade.

*Tuesday, January 31, 2017 by Daniel*

**Math-Geometry**

I am having a difficulty with solving proofs, such as triangle proofs for my homework, is there any tips and tricks to be able to solve them?

*Sunday, January 29, 2017 by Ray*

**Geometry**

a regular triangular pyramid has all of edges of length 36. What is the angle between any two faces of this pyramid.

*Sunday, January 29, 2017 by Juan*

**Geometry**

What is the relative position of two lines if their orthogonal projection onto the projection planes are a) parallel lines b) coinciding lines c) intersecting lines

*Sunday, January 29, 2017 by Tim*

**Geometry**

Problem: ABCDE$\ is an equilateral pentagon with side length 2 in which angle B= angle E=120 degrees. The area of ABCDE can be expressed in the form square root of x + square root of y for some integers x and y. Find x+y. I don't understand. I really need help.

*Sunday, January 29, 2017 by AJ*

**Geometry**

find the equation of an elipse whose vertices are (2, -2) and (2, 4) and whose eccentricity is 1/3

*Sunday, January 29, 2017 by Tundr*

**Geometry**

Angle C and Angle D are supplementary angles. If the measure of Angle D is nine less than twice the measure of Angle C, find the measure of Angle D. PLEASE HELP!!! I have no idea where to even start!

*Sunday, January 29, 2017 by Jay*

**Geometry**

The side lengths of an equiangular octagon are $1$, $2$, $3$, $4$, $1$, $2$, $3$, and $4$ in clockwise order. Find the octagon's area. I don't know how to do this.

*Saturday, January 28, 2017 by Lola*

**Geometry and shape**

What equilateral shape has opposite sides but no right angle

*Saturday, January 28, 2017 by Zaynab*

**geometry**

A private fence is to built around an 80m by 100m backyard. How many meters of fencing will be needed? If the private fence cos Php 550 per meter. What will be the cost of fence.?

*Saturday, January 28, 2017 by romilo*

**Math**

Has anyone on connections academy done the Unit 1: Lesson 13: Geometry unit test. I really don't understand can someone post the answers, thanks. I'm in 7th grade btw.

*Friday, January 27, 2017 by Kyla*

**Geometry**

What is the formula to find the scale factor of the dilation?

*Thursday, January 26, 2017 by Mike Smith*