Sunday

May 1, 2016
Number of results: 69,780

**geometry**

Robert is making a scale drawing of a painting that is 48in. wide by 120in. high. His paper is 12in. wide and 24in. tall. He decides to use the scale 1in.= 4in. Is this a reasonable scale?
*March 14, 2012 by Alex*

**Geometry**

BD is a perpendicular bisector of triangle ABC. XZ is a perpendicular bisector of triangle WXY. Triangle ABC is similar to triangle WXY with a scale factor of 1:3. Part I. Find BD, AB, WZ, XZ and WX. Part II. What is the scale factor of the perimeters of triangle ABC and ...
*April 6, 2010 by Jenna*

**Math**

Charlotte is building a dollhouse that is a scale replica of her own house. One of the windows on the front of the house is 105 cm wide and 126cm high. On the dollhouse, the window is 7cm wide a)write a scale statement for the dollhouse? b)what scale factor is charlotte using ...
*March 30, 2012 by Charlotte *

**Math Expert Help Me**

I posted this earlier but no one answered. :( 1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (-1,2) and (3,-3). a. (2,4) and (6,6) b. (2,4) and (6,6) c. (-2,4) and (6,-6) d. (2,-1) and (-3,3) 2. Given a scale factor of 1/...
*October 24, 2012 by Jman*

**math**

an autmobile is 16 feet long the scale drawing is 1 inch:6 inches my scale factor answer is 96in am i right
*November 16, 2013 by kylee*

**Math Help**

I posted this earlier but no one answered. :( 1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (-1,2) and (3,-3). a. (2,4) and (6,6) b. (2,4) and (6,6) c. (-2,4) and (6,-6) d. (2,-1) and (-3,3) 2. Given a scale factor of 1/...
*October 24, 2012 by Jman*

**geometry**

A right triangle prism has a volume of 2 cubic inches. A second right triangle prism is similar to the first one and has a volume of 128 cubic inches. A. What is the scale factor to go from the first prism to the second? B. What is the scale factor to go from the second prism ...
*March 13, 2013 by Yvonne*

**Math**

what is the scale factor of ~ 1 inch= 3 feet please explain!
*October 20, 2013 by Anonymous *

**math**

Triangle XYZ has vertices X(-5,3), and Z(7,-6). Find the coordinates of vertex X after the triangle is dialated using a scale factor of 4. I saw that you didnt want to see another post if we didnt try working it out first. But I need help understanding what the problem is ...
*December 28, 2012 by marie*

**math**

the range for the graph of f(x)=-2(x-3)^2+7 is only affected by: a) the vertical stretch by a scale factor of 2 and the vertical shift of 7 units up. b) the vertical stretch by a scale factor of 2 and the horizontal shift of 3 units to the right. c) the vertical stretch by a ...
*March 11, 2007 by crisis*

**Math: Geometry**

isosceles trapezoid ABCD is shown below with a line ef drawn through its center. Of the isosceles trapezoid is dilated using a scale factor of 1/2 and a line is drawn through the center of the new dilated figure, what relationship will that line have with line EF? An image ...
*December 8, 2015 by Blah*

**Geometry**

I have a model of a triangle shaped pyramid with sides 6cm base 8cm and height 7cm. If I enlarge the pyramid using a scale factor of 1.2, what will the new perimeter and area be?
*April 11, 2016 by Tami*

**Geometry**

Sarah is making a scale drawing of a painting that is 48 in. wide by 120 in tall. her paper is 12 in. wide and 24 in. tall. She decides to use the scale 1 in. = 4in. is this a reasonable scale?
*September 30, 2013 by gabbi*

**7th grade math**

Sue Thank you I understand how to do those problems. I have one last question: Is this true or false: If the scale factor between two similar shapes is 1, the the two shapes are the same size. (Note If two similar figures have a scale factor of 1, they are congruent).
*October 28, 2009 by DIANE*

**geometry**

the area of the first triangle is 22 sq feet. if the scale factor of two similar traingles if 3, what is the area of that second triangle>?
*January 18, 2011 by dylan*

**Geometry**

The scale factor of two similar solids is 7:5. 8) Find the ratio of volumes. 9) Find the ratio of surface areas.
*April 14, 2011 by Need Help*

**geometry**

The scale factor is 5/4. Find the area of the pre-image if the area of the image is 150 in2.Show your work.
*March 27, 2013 by bre*

**geometry**

the endpoints of AB are A(9,4) and B(5,-4) the endpoints of its image after a dilation are A1(6,3) and B1(3,-3) explain how to find the scale factor. Is there someone that can help me with this problem and explain foe me?
*March 7, 2012 by Brandon*

**geometry**

the scale factor of two similar polygons as 4:7. the perimeter of the smaller polygon is 320 centimeter what is the perimeter of the larger polygon
*March 27, 2012 by joselynn*

**Geometry**

A photographer enlarged a picture. If the width of the image is 5 inches and the width of the pre-image was x, what is the scale factor for the dilation in terms of x?
*January 5, 2016 by Jonathan*

**Geometry **

A 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? 3 2 6 **my choice 9 **i feel its this one too, im stuck
*March 31, 2016 by Jessica*

**Geometry**

The scale factor of two similar triangles is 2/5. if the perimeter of the small triangles is 80 cm, what is the perimeter of the large triangle?
*April 2, 2011 by Amanda*

**Geometry**

The scale factor for two similar triangles is 4 : 3. The perimeter of the smaller triangle is 12. What is the perimeter of the larger triangle?
*April 27, 2011 by Tyler*

**geometry**

Two similar solids have a scale factor of 3:5. If the height of solid 1 is 3cm, what is the height of solid 2?
*November 15, 2011 by alisa*

**geometry**

Two similar solids have a scale factor of 3:5. If the height of solid 1 is 3cm, what is the height of solid 2?
*November 15, 2011 by alisa*

**geometry**

The scale factor for two similar triangles is 4 : 3. The perimeter of the smaller triangle is 12. What is the perimeter of the larger triangle?
*May 13, 2012 by adeny*

**geometry **

Assume there are 2 similar polygons, whose scale factor is 4:5. If the larger polygon has an area of 30 units squared, what is the area o the smaller polygon?
*February 13, 2011 by Mark*

**geometry**

if a scale factor of four is used, the points in the image will be eight times as far from the origin as at he pre-image points true or false
*June 28, 2013 by Barb*

**Geometry**

Tyron developed a negative that is 1 inch by 1 1/4 inches into a photograph using a scale factor of 8 what are the dimensions of the photograph A. 6 inch by 8 in B. 6 2/5 in by 8 in C. 8 in by 10 in D. Not here
*January 9, 2016 by Anonymous*

**geometry**

Two similar rectangular prisms have a scale factor of 4:9. The volume of the smaller prism is 60 cm3. Find the volume of the larger prism.
*July 16, 2010 by hello*

**Geometry**

Given the volume of two cubes, find the scale factor. 6) V = 343 in3 and V = 729 in3 7) V = 1331 ft3 and V = 125 ft3
*April 14, 2011 by Need Help*

**geometry**

Line l has the equation y=1/2x-4. Write the equation of the image of l after a dilation with a scale factor of 1/4 centered at the origin. Write your answer in slope-intercept form?
*April 23, 2016 by pearl*

**Geometry**

Quadrilateral GHIJ is a scale drawing of quadrilateral ABCD with a scale factor r. Describe the following statements as always true, sometimes true, or never true, and justify your answer. a. AB/GH = BC/HI b. perimeter (GHIJ) = r * perimeter (ABCD) c. Area (GHIJ) = r * area (...
*February 13, 2015 by Jess*

**Dilations**

1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (-1,2) and (3,-3). a. (2,4) and (6,6) b. (2,4) and (6,6) c. (-2,4) and (6,-6) d. (2,-1) and (-3,3) 2. Given a scale factor of 1/2, find the coordinates for the dilation of ...
*October 24, 2012 by Jman *

**Algebra**

I reduced a diagram on my computer using a scale factor of 8o%(i.e. the linear dimensions of the diagram were reduced so they became 80% of the original dimensions). What scale factor is required to return the diagram to original size?
*January 13, 2008 by Bobby*

**GEOMETRY**

If ABC ~ DEF and the scale factor from ABC to DEF is 1/6, what are the lengths of DE,EF , and DF, respectively?
*February 26, 2014 by QUILO*

**Geometry**

For 2 similar triangles ABC and DEF, the scale factor of ABC to DEF is 2:3. If AB=2(BC) and DE=3(BC), what is EF?
*February 10, 2016 by Joe*

**math help connections academy**

in the scale drawing below each side is 1.29 cm long use the scale factor shown. what is the perimeter of the actual object A( 12.325m B( 52.125m C( 41.925m D( 61.675m
*January 30, 2016 by jjiiddss*

**Math**

A scale drawing of the floor of a theater has a scale factor of 18. Mark says that he can use this information and any length on the scale drawing to find the corresponding length in the actual theater. He says that he can also use this information and any length in the actual...
*April 9, 2016 by Jason*

**Geometry**

#4 Which could be the scale factor of the following similar figures? (1 point) The first triangle's sides are 9,9,12 The second triangles sides are 6,6,8 A.) 2/3 B.) 3/4 C.) 1 D.) 3/2 E.) 4/3 My answers: b & c _______________________________ #5 The rectangles in the figure ...
*March 15, 2016 by Patty*

**MATH**

A model train is a scale model created from actual measurements. The scale factor for HO or Half Zero model trains is 1:87. A typical engine is 50mm in height and 200mm in length. Determine the actual dimensions of the train engine. Help Please
*March 28, 2010 by Anonymous*

**MATH**

A model train is a scale model created from actual measurements. The scale factor for HO or Half Zero model trains is 1:87. A typical engine is 50mm in height and 200mm in length. Determine the actual dimensions of the train engine. Help Please
*March 28, 2010 by Anonymous*

**algebra**

A triangle has an area of 20 inches squared. Every dimension of the triangle is multiplied by a scale factor, and the new triangle has an area of 180 inches squared. What is the scale factor.
*January 16, 2012 by Anonymous*

**Algebra 1**

a triangle has an area of 20 inches squared. every dimension of the triangle is multiplied by a scale factor, and the new triangle has an area of 180 inches squared. what was the scale factor?
*October 6, 2013 by Shanelle*

**Math**

Please help me with this!! The actual length of the picnic table is 180cm with legs 60cm. What is the scale factor for this diagram?
*February 27, 2014 by Cherie*

**Math help please!!!!!!**

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints(-1,2) and (3,-3) A. (2,4) and (6,6) B. (2,4) and (6,6) C. (-2,4)and (6,-6) D. (2,-1) and (-3,3) Is the answer C ? Thank you
*November 13, 2014 by Callie*

**Math help please!!!!!!**

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints(-1,2) and (3,-3) A. (2,4) and (6,6) B. (2,4) and (6,6) C. (-2,4)and (6,-6) D. (2,-1) and (-3,3) Is the answer C ? Thank you
*November 13, 2014 by Callie*

**Science**

Which scale measures the amount of damage after an earthquake? Richter scale Mercalli intensity scale moment magnitude scale seismograph scale
*December 7, 2009 by george*

**math**

The scale model of a rectangular garden is 1.5 ft by 4 ft. The scale model is enlarged by a scale factor of 7 to create the actual garden. What is the area of the actual garden? 6 42 252 294
*July 20, 2015 by DeMarcus Smith*

**Geometry**

You find an old scale drawing of your home,but the scale has faded and you cannot read it. How can you find the scale of the drawing?
*November 17, 2015 by RONDA*

**Pre-Algebra Help Ms. Sue Please!!!**

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). A.(–2, 4) and (6, 6) B.(2, 4) and (6, 6) C.(–2, 4) and (6, –6) D.(2, –1) and (–3, 3)
*November 7, 2012 by Anonymous*

**Math**

A computer chip on a circuit board has a rectangular shape, with a width of 6mm and a length of 9mm. Plans for the circuit board must be drawn using a scale factor of 15. Draw a scale diagram of the computer chip as it would appear on the plans. Please show work.
*July 31, 2013 by Anonymous*

**Geometry - Transformations and Dilations**

When a square of area 4 is dilated by a scale factor of k, we obtain a square of area 9. Find the sum of all possible values of k. I do not understand...it is not 3/2, as I was told, but I don't understand why? Help?
*February 21, 2013 by Knights*

**Geometry **

Polygon ABCD has vertices A(–4, 0), B(–2, 4), C(3, 4), and D(8, 0). Polygon A'B'C'D' is the dilation image of ABCD, using the center (0, 0) and a scale factor of 0.5. What are the coordinates of A', B', C', and D'? This question has me confused. Could someone just show me an ...
*May 23, 2011 by Miranda*

**geometry**

rectangle a is similar to smaller rectangle b. the scale factor is 5/3. if the area of rectangle a is 150 square inches, what is the area of rectangle b?
*March 22, 2012 by josh*

**math**

The scale drawing of a rectangular room will be enlarged by a scale factor of 4 to create the actual room. The actual area of the room will be 150 square feet. What expression finds the area of the scale drawing?
*July 17, 2015 by DeMarcus Smith*

**math**

The scale drawing of a rectangular room will be enlarged by a scale factor of 4 to create the actual room. The actual area of the room will be 150 square feet. Which expression finds the area of the scale drawing?
*November 5, 2015 by Anonymous*

**Math**

1. Write the ratio in the simplest form. 50: 10 (1 point) 25: 5 10: 2 5: 1* 1: 5 2. Solve the following proportion x over 2 = 8 over 9 (1 point) 144 0.44 1.78* 36 3. Sarah’s mother has a miniature village modeled after her home town. The model is 10 feet long and 7 feet wide. ...
*January 15, 2014 by anonymous*

**geometry**

George is building a model of his father's sailboat with a scale factor of 1:32. The actual sail is in the shape of a right triangle with a base of 8 meters and a hypotenuse of 13 meters. What will be the approproximate perimeter of the sail on the model boat?
*January 24, 2011 by Marjorie*

**Geometry **

a game room has a floor that is 120 feet by 75 feet a scale drawing of the floor grid paper uses a scale of 1 unit:5 feet what are the dimensions o the scale drawing
*October 19, 2014 by Maria *

**geometry**

A scale for a scale drawing is 10 cm:1 mm. Which is larger, the actual object or the scale drawing? Show work. --I understand that the answer is 100 times larger since 10mm equals 1cm. BUT how do I show the work of how this is solved? THANK YOU!
*December 1, 2015 by Tim*

**Geometry **

You have purchased a scale model of a car. The scale factor is 1:24. The model is 2.9 inches high, 2.75 inches wide, and 6.4 inches long. Find the dimensions of the car in feet. If the rear cargo area of the actual car has a volume of 12.5 cubic feet, what is the volume of the...
*May 13, 2011 by Sharon*

**geometry**

I realy need help please!!!! 1-Describe the translation in words: (x, y) (x - 4, y - 9) A)4 units to the left, 9 units down B)4 units to the left, 9 units up C)4 units to the right, 9 units down D)4 units to the right, 9 units up 2-][3-,2.[1,4],[-5,4]2,-3]at element is in row ...
*May 11, 2011 by mo*

**geometry**

with 2 pentagons (A, B, C, D, E) & F, G, H, I, J.) start with A in lower left corner. Same with F. AE=10, BC=8: FG=9, FJ=15. There are diagonal line CE & HJ. x= AB, Y=GH. Find the scale factor of ABCDE to FGHIJ; need value of x & y; perimeter of ABCDE is 38, what is perimeter ...
*April 12, 2015 by mary*

**Geometry**

An architect makes a scale drawing. She uses 2 cm to represent 100 m. What is the scale ratio for her drawing? Show your work.
*November 26, 2010 by Kristen*

**math **

Troy is building a pool that is proportional to the Olympic-sized pool. The width of his pool will be 625 centimeters. find the scale factor troy will use to build his pool use the scale factor to show the length of troys pool if the length of the Olympica pool is 50 meters ...
*December 16, 2010 by Court*

**geometry**

two round fountains are similar. one measures 4'6 across and the other measures 9'7 across. find the scale factor from the small one to the large one
*June 5, 2015 by bobbie*

**Geometry**

Angle DEF is similar to Angle HJK and the scale factor of angle DEF to anle HJK IS 5/2. If EF =15 FIND JK Here is what I came up with Am I correct 5/2 = EF/JK 5/2 =15/JK 5(JK)=30 JK=30/5 JK=6 Thanks much
*June 13, 2007 by DANIELLE*

**Math**

If i have a scale factor to enlarge a picture at 11/3, how would i get the scale to get from the big picture to the small picture?
*October 11, 2007 by Brittany*

**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?
*May 13, 2014 by Anonymous*

**geometry**

Joe's living room is a rectangle and measures 15 ft by 27 ft. Using a scale of 1 in. = 3ft. How could I sketch it and show both the actual measurements and the scale measurements
*February 20, 2012 by snoop*

**geometry**

216 in cubed is the volume of a figure 27 in cubed is the volume of a similiar figure what is the scale factor?
*March 23, 2011 by Nasser *

**Scale Representations**

A model airplane is made on a scale of 1:128. A)What is the scale factor of the model? B)If the airplane has a wingspan of 30 cm, what is the wingspan of the actual airplane?
*March 29, 2012 by Sari*

**Earth Science**

11. Which earthquake scale takes into consideration the damage caused by an earthquake? A. Amplitude scale B. Moment magnitude scale C. Richter scale D. Modified Mercalli scale D?
*February 13, 2015 by Sarah *

**Geometry**

The side length of square ABCD is 1 unit. Its diagonal, AC, is a side of square ACEF. Square ACEF is then enlarged by a scale factor of 2. What is the area of the enlargement, in square units?
*March 27, 2012 by Kayla*

**geometry**

Below is a scale of my garden. It is drawn at 3in: 8ft scale. To the nearest whole squre foot what is the area of my garden? **picture of octagon with one side 8in**
*December 13, 2011 by Nicole*

**Geometry - help please**

AB is tangent to circle O at B. The diagram is not drawn to scale. If AB = 6 and AO = 11.7, what is the length of the radius (r)? Round the answer to the nearest tenth. 5.7 8.9 10.0 13.1
*May 27, 2015 by Sandra*

**science**

You are designing a scale model of the solar system mercury it is 4,878 km in diameter.using the following scale factor, how large does your model of mercury need to be? A. 160cm B. 16cm C.146cm D.30cm
*January 26, 2011 by walter*

**math**

The area of the scale model of a playground is 6 square yards. The scale model is enlarged by a scale factor of 3 to create the actual playground. What is the area of the actual playground?
*July 17, 2015 by DeMarcus Smith*

**geometry**

A park at the end of a city block is a right triangle with legs 150 ft and 200 ft long. Make a scale drawing of the park using the following scale 1in:300ft.
*February 1, 2012 by ian*

**Math Scale Drawing**

The length of a classroom is 30 ft. What is the scale factor if the length of the classroom on the scale drawing is 3.6 inches?
*February 10, 2016 by Helen*

**math**

A fish in an aquarium is 4 feet long. A scale model of the fish is 2 inches long. What is the scale factor?
*April 27, 2016 by Johana*

**Algebra 8th grade please help!!!!!!**

A right triangle has an area of 13 m2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle? Please help!!!! a)39 m2 b)169 m2 c)117 m2 d)142 m2
*November 28, 2012 by April :)*

**geometry**

Can someone help? Your make a scale drawing of a tree using the scale 5 in. =27 ft. If the tree is 67.5 ft tall, how tall is the scale drawing?
*February 18, 2012 by myles*

**Geometry**

You make a scale drawing of a tree using the scale 5 in. = 27f ft. If the tree is 67.5 ft. tall, how tall is the scale drawing
*February 19, 2015 by Anonymous*

**Math algebra Help please**

A right triangle has an area of 24 ft^2 the dimensions of the triangle are increased by a scale factor of 6 A.48ft^2 B.72ft^2 C.144ft^2 D.864ft^2
*October 16, 2014 by Jeff*

**6th Grade Geometry**

Hello, I'm having trouble doing this math geometry someone help me please? Thanks: Calculate the area of the trapezoid which is not drawn to scale. It is not a regular trapezoid! It looks like a rectangle and when you get to the top cut the rectangle and make the part you cut ...
*March 11, 2015 by MusicLover14*

**geometry**

the dimensions of the triangular lateral faces of a pyramid are dilated with a scale factor of 8/3 to create similar triangles. if the perimeter of one triangular face was 57 inches what is the perimeter of each of the dilated triangular faces
*April 13, 2013 by stormy*

**math**

A male moose is 2.6 m tall and 3.2 m long, with antlers that are 1.2 m across. An artist wants to carve scale models of the moose. She uses a scale factor of 1/30. a) What are the dimensions of the carvings to the nearest centimetre? b) How many carvings can she make using ...
*January 14, 2013 by alan*

**math**

A scale drawing is made to enlarge a picture by using a scale factor of 3. The enlarged picture is 9 inches by 15 inches. What are the dimensions of the original picture?
*October 8, 2015 by Anonymous*

**geometry**

the scale factor between figure A and figure B is 0.25. If one side length of figure B is 56 yards, what is the corresponding side length of figure A?
*October 3, 2010 by linda*

**Geometry**

Hi, so i reallllyy need help, i have an assignment that i have to complete, but the thing is theres a file and this site doesn't allow links, so does anyone have email to help me if you can help i will greatly appreciate it i'll email you the file. btw this problem includes ...
*February 11, 2015 by Arora*

**math**

i have math homework and it says i have to find 1 pair of rectangle that are simular and find the scale factor but i cant find the scale factorthe k rectangle is 4 cubes base by 3cubes height and n rectangle is 12 cubes base and 1 cube height but i cant find the scal factor ...
*September 21, 2010 by hawk*

**physics**

If you stand on a bathroom scale, the spring inside the scale compresses 0.50 mm, and it tells you your weight is 680 N. Now if you jump on the scale from a height of 1.4 m, what does the scale read at its peak?
*March 2, 2012 by Caroline*

**physics**

If you stand on a bathroom scale, the spring inside the scale compresses 0.50 mm, and it tells you your weight is 760 N. Now if you jump on the scale from a height of 1.0 m, what does the scale read at its peak?
*November 5, 2012 by Lauria*

**math**

suppose you copy a figure on the copier using the givin size factor. Find the scale factor from the orignal figure to copy in desimal form. for 200%, 150% 75% 50% 125% and 25%
*November 26, 2009 by ashtyn*

**math**

suppose you copy a figure on a copier using the given size factor. find the scale factor from the original figure to the copy in decimal form. a)200%, b)50%, c)150%, d)125%, e)75%, f)25%
*December 8, 2009 by dillan*

**GEOMETRY**

The sides of a triangle are 8,15 and 18 the shortest side of a similar triangle is 10 how long are the other sides? Find the scale factor of similar triangles whose sides are 4,12,20 and 5,15,25 Assume that traingle xyz is similar to triangle rpn with x(ray sign) r and p(ray ...
*November 16, 2013 by BARBIE LEE*

**geometry**

The sides of a triangle are 8,15 and 18 the shortest side of a similar triangle is 10 how long are the other sides? Find the scale factor of similar triangles whose sides are 4,12,20 and 5,15,25 Assume that traingle xyz is similar to triangle rpn with x(ray sign) r and p(ray ...
*November 17, 2013 by barbie lee*

**7th grade math**

Suppose you copy a figure on a copier using the given size factor. Find the scale factor from the original figure to the copy in decimal form. a] 200% b] 150% c] 75%
*October 28, 2009 by DIANE*