Search: Math/Solving side lengths of similar figures!!!

Number of results: 203,803

MATH URGENT!
Ok I don't understand how to find similar figures when using proportions. Can someone explain it to me? Two figures that have the same shape are said to be similar. When two figures are similar, the ratios of the lengths of their corresponding sides are equal. To determine...
Tuesday, April 24, 2007 at 8:48pm by Ashley

math
If two parallelograms are similar,what do you know about the ratios of the two side lengths within one parallelogram and the ratios of the corresponding side lengths in the other parallelogram? the aswer is the scale factor is the ratios would be the side length of the ...
Sunday, November 26, 2006 at 1:50pm by chemiii

geometry
You have provided 4 lengths and an unknown x. Two triangles require six sides. Did you omit one side length? If one triangle has side lengths of 6,10 and 12, then the other similar triangle side lengths could be 9, 15 and 18, but it would depend upon which side of the first ...
Friday, July 22, 2011 at 12:13am by drwls

Math HELP!!!
If two parallelograms are similar,what do you know about the ratios of the two side lengths within one parallelogram and the ratios of the corresponding side lengths in the other parallelogram? The ratios would be the same in similar parallelograms.
Sunday, November 26, 2006 at 2:55pm by chemiii

geometry
what are the relationships between corresponding sides perimeters and areas ofsimilar figures how are the characteristics of similar figures applied in problem solving how ara these relationships applied in solving real world situations
Tuesday, February 8, 2011 at 9:40pm by jonathan andres

geometry
A triangle has side lengths of 3in, 4in, and 6in. The longest side of a similar triangle is 15 in. What is the length of the shortest side of the similar triangle?
Tuesday, February 8, 2011 at 8:50pm by Anonymous

math
if two triangles are similar, what can you say about the ratios of the two side lengths within one triangle and the ratios of the corresponding side lengths in the other triangle? HELP ASAP!! THANK YOU TO WHOEVER HELPS!!
Thursday, February 16, 2012 at 8:44pm by Savannah

math
if two triangles are similar, what can you say about the ratios of the two side lengths within one triangle and the ratios of the corresponding side lengths in the other triangle? Thank you anyone who helps :D
Thursday, February 16, 2012 at 8:53pm by Leda

math
If two triangles are similar, what can you say about the ratios of the two side lengths within one triangle and the ratios of the corresponding side lengths in the other triangle?
Thursday, December 6, 2007 at 7:45am by bbb

Math
If two triangles are similar,what can you say about the ratios of the two side lengths within one triangle and the ratios of the corresponding side lengths in the other triangle?
Sunday, November 26, 2006 at 1:53pm by chemiii

Math
If two parallelograms are similar, what do you know about the ratios of the two side lengths within one parallelogram and the ratios of the corresponding side lengths in the other parallelogram?
Sunday, October 16, 2011 at 7:24pm by Buck

Math HELP!!!
If two parallelograms are similar, what do you know about the ratios of the two side lengths within one parallelogram and the ratios of the corresponding side lengths in the other parallelogram?
Sunday, November 26, 2006 at 2:55pm by Katelyn

Math
Solve for the variable (All figures are similar): Figure 1: 8m-side 1 and 6m-side 2. Figure 2: 20m-side 1 and r meters-side 2. r=? Can you please help me? Thank you.
Saturday, August 23, 2008 at 8:24pm by Happyface

Math
two similar figures have lengths in the ratio of 7/4. Give the ratios of parimeters and areas?
Tuesday, January 29, 2013 at 8:11pm by Anonymous

can u help me
Which of the following statements is always true of similar polygons? (1 point) Corresponding angles of similar figures have the same measure. The lengths of corresponding sides form equivalent ratios. The lengths of corresponding sides have the same measure. both (a) and (b)
Thursday, January 17, 2013 at 5:57pm by tesj

MATH HELP!!!!!
For part a-c ,what does the scale factor between two similar figures tell you about the given measurements? A.side lengths B.perimeters C.areas Hello i would say that the answer is a)side lenths because if you measure then you would have to measure sides. BYE I have problems ...
Wednesday, November 15, 2006 at 8:33pm by chemiii

Math
Solve for the missing variable: ALL FIGURES ARE SIMILAR. Figure 1: 8m-side 1 and 6m-side 2. Figure 2: 20m-side 1 and r meters-side 2. r=? Solve for r. Can you help me? Thank you.
Friday, August 22, 2008 at 7:36pm by Happyface

Math
similar figures: if you multiply a length by n, you multiply all lengths by n if you multiply lengths by n you multiply all areas by n^2
Thursday, March 7, 2013 at 7:21pm by Damon

geometry
Congruent figures are a perfect match in all angles and side lengths. You can overlay one on the other. Similar have the same shape (angles) but can be of different sizes. One is an enlargement of the other.
Monday, February 1, 2010 at 11:22pm by drwls

Math/Solving side lengths of similar figures!!!
I have to find out what (x) equals. it shows me two triangles. ABC and XYZ. XYZ's sides are X-6 Y-10 and Z-8. ABC's sides are A-(x) B-25 and nothing for C. i need to find the value of (x). I'm expelled from school, and I get taught at the library everyday by my ...
Tuesday, April 19, 2011 at 10:37pm by Kourt

math
Similarity theorems and postulates involve matching either angles only, or the ratios of corresponding side lengths. Congruence theorems and postultates invove actual lengths of corresponding sides. See http://www.mathwarehouse.com/geometry/similar/triangles/similar-triangle-...
Friday, January 25, 2008 at 12:45am by drwls

math HELP
for each pair of similar parallelograms,fid the ratio of two adjacent side lengths in one parallelogram and compare it to the ratio of the corresponding side lengthes in the other parallelogram. What are they wanting me to do?? A.2m 4m B.3 m 6m C.4m 9m D.2.75m 3.5m E.4.25 8.5 ...
Sunday, November 19, 2006 at 3:38pm by chemiii

Math
The lengths of the sides of a triangle are 6,7, and 9. What is the longest side of a similar triangle whose shortest side is 4.
Friday, September 23, 2011 at 11:14am by Della

math 2
When two figures are similar, the reduced ratio of any two corresponding sides is called the scale factor of the similar figure. Example One side of a square is 6 and the corresponding side of a similar square is 3. The ratio is 6 : 3 or 6/3 = 2. The scale factor is 2 : 1.
Thursday, February 10, 2011 at 3:45pm by helper

math
consider a square and a regular pentagon. one side of the square is 6 feet longer than a side of the pentagon, and the figures have the same perimeter. what are the lengths of the sides of each figure?
Friday, September 24, 2010 at 5:20pm by ???

math
The lengths of the sides of a triangle are 4in.,14 in., and 16 in.If the longest side of a similar triangle measures 40 in., what is the length of the shortest side of this new triangle?
Tuesday, November 9, 2010 at 7:28pm by Anonymous

math
The ladders shown below are standing against the wall at the same angle. How high up the wall does the longer ladder go? (All measurements are in feet.) ladders 11.25 ft 12.5 ft 14 ft 14 ft 2. The pair of polygons is similar. Find the value of x. polygons 187.5 in. 12 in. 30 ...
Monday, December 3, 2012 at 3:05pm by Steve Plzzz Help now !!

math
The lengths of the sides of a triangle are 6, 8, and 12. If the length of the shortest side of a similar triangle is 10, what is the length of its longest side?
Sunday, January 3, 2010 at 2:42am by sabrina

Intro to World Religions
Look at the main figure in those stories. How are each of those figures similar to the image of Christ in Mary's gospel? How are they different? Make a chart for each of those figures... one side for like, one side for difference. Then you will be able to make a valid ...
Saturday, September 4, 2010 at 5:08pm by GuruBlue

Math-Triangles
I don't understand what you're solving for the Second triangle. You have both the side lengths and the hypotenuse. Are you trying to find the area of this problem?
Saturday, October 17, 2009 at 1:11pm by Sara

math
What is one way to find a missing side length in a pair of similar figures?
Thursday, December 6, 2007 at 8:47am by blah

math
Two similar figures have sides in the ratio of 2:3. If a side of the smaller triangle has a length of 7, what is the length of the corresponding side of the other triangle?
Wednesday, May 9, 2012 at 2:34pm by heather

math
They mean "Could those three numbers be the side lengths of a right triangle?". This will be true is a^2 + b^2 = c^2, where c is the length of the longest side and a and b are the lengths of the other two sides. Does 49 + 576 = 625? Looks good to me.
Saturday, August 15, 2009 at 2:46pm by drwls

IRSC
the sum of the lengths of any two sides of a triangle must be greater than the third side. If a triangle has one side that 17 inches and a second side that is 1 inch less than twice the thrid side, what are the possible lengths for the second and third side.
Sunday, September 11, 2011 at 9:21pm by Angela

Math
describe at least two ways of finding a missing side lenght in a pair of similar figures
Sunday, November 26, 2006 at 1:54pm by kevin

math
The lengths of corresponding sides of the two similar triangles are in a ratio 10/6 = 5/3. For the larger triangle, the langest side length is therefore (5/3)x12 = 20
Sunday, January 3, 2010 at 2:42am by drwls

geometry
Triangle ABC has side lengths 7, 24, and 25. Do the side lengths form a Pythagorean triple?
Wednesday, December 14, 2011 at 9:36pm by Cindy

7th grade Math
Describe at least two ways of finding a missing side length in a pair of similar figures.
Wednesday, November 10, 2010 at 9:41pm by peter

Math. Help Me!..please!
How do u find similar figures when using a proportion?'cause I don't get it dude. **EXAMPLE-On two sides-72m On the other 2-45m The next one says On one side-50m On the other- 80m Determine whether they are similar. I dont get it. Please help! THANX! it takes robert ...
Tuesday, April 24, 2007 at 8:59pm by Fred

math
Let x represent the length of the second side. What is the length of the first side? We know that it is 250 meter more than the second side, which is x. How do you express that? What is the length of the third side? We know that it is 100 meters shorter than the first side. ...
Thursday, February 4, 2010 at 6:54pm by Anonymous

math
The triangle above has side lengths of 18 mm and 26 mm. Which set of dimensions would produce a similar figure?
Thursday, February 23, 2012 at 6:24pm by Anonymous

math
The triangle above has side lengths of 24 mm and 38 mm. Which set of dimensions would produce a similar figure?
Monday, January 31, 2011 at 3:32pm by Anonymous

geometry
Triangles Rst and wxy are similar . the side lengths of rst are 10 inches. 14 inches and 20 inches and the length of an altitude is 6.5 inches. The shortest side of wxy. Find the lengths of the other two sides of wxy. Find the length of the corresponding altitude of wxy.
Thursday, January 12, 2012 at 5:10pm by Lindsay

maths
1.how many non congruent right triangles with positive integer leg lengths have areas that are numerically equal to 3 times their perimeters? 2.a triangle with side lengths in the ratio 3:4:5 is inscribed in a circle of radius 3.what is the area of the triangle? 3.what is the ...
Tuesday, May 7, 2013 at 1:57am by ramesh reddy

Math
Yes, just keep the side lengths in the same ratio. This happens automatically if the three angles stay the same. A scalene 3,4,5 trangle is similar to a 6,8,10 triangle.
Tuesday, May 25, 2010 at 3:06pm by drwls

math
ignore all that noise about side lengths. Working with the angles, b = 3/2 c a = 2c a+b+c = 180 2c + 3/2 c + c = 180 9c = 360 c = 40 so, a = 80 b = 60 you can check on the side lengths of you wish, to make sure they obey the law of sines.
Saturday, August 11, 2012 at 3:44am by Steve

math
each side of x is 10 units since it is square then each side of y must be 5 units and its area is 25 square units In fact the ratio of areas of any two similar figures is the square of the linear scale ratio between them.
Wednesday, February 2, 2011 at 7:11pm by Damon

Trigonometry One Quick Question! Please help!
Triangle ABC has side lengths 7, 24, and 25. Do the side lengths form a Pythagorean triple? Explain. Thank You so much! :) I'm having a hard time understanding this so it means alot!
Monday, February 20, 2012 at 2:33pm by Amaya

math
triangle a and b are similar the ratio of a side of triangle b to a corresponding sid of triagle a is 5.3 the lengths of the sides of triangle a a are 18ft, 27ft and 30ft find the perimeter of triangle b
Monday, March 28, 2011 at 6:27pm by michael

algebra
solving for r,, (1-r)/(1+r) = 2/3 *do cross multiplication: (1+r) is multiplied by 2, then 3 is multiplied by (1-r): 3(1-r) = 2(1+r) 3 - 3r = 2 + 2r *transpose similar terms to one side of equation (all terms with r on left side, and constants on right side): -2r - 3r = 2 - 3...
Wednesday, October 20, 2010 at 7:38pm by jai

Geometry
the ration if the side lengths of two similar rectangles is 4:3. what is the ratio of the areas of the rectangles?
Wednesday, January 9, 2013 at 7:39pm by Amber

math
suppose you use the rule (3x+1,3y-4) to transform the original figure into a new figure. How would the side lengths of the new figure compare to the side lengths of the original? I need help fast. Thank you so much.
Monday, January 16, 2012 at 8:02pm by Ruby

Geometry
The area of similar figures is proportional to the square of their sides. So let the shortest side of the second quad be x x^2/3^2 = 9A/A x^2/9 = 9/1 x^2 = 81 x = 9
Monday, May 17, 2010 at 4:49pm by Reiny

Physics
Suppose you are asked to determine the perimeter of a seven-sided irregular figure. You make the following measurements: Side 1 = 3.2 m Side 2 = 4.8 m Side 3 = 2.000 m Side 4 = 8.94 m Side 5 = 11 m Side 6 = 7.566 m Side 7 = 4.0 m How many significant figures should there be in...
Thursday, September 6, 2012 at 6:47pm by Kevin

math
A figure is transformed into a new figure by being rotated 180 degrees, translated left 6 units, and dilated by a factor of 4. How are the old and new figures related? a)both congruent and similar b)congruent but not similar c)similar but not congruent d)neither similar and ...
Thursday, January 31, 2008 at 6:38pm by robert

7th grade Math
how are the comparison methods juan uses similar to the method you use to compare the sizes and shapes of similar figures?
Wednesday, November 10, 2010 at 9:41pm by karen

Geometry
Find the values of the variables and the lengths of the sides of this kite. Side A=y-4, side B=x+5,side C= x+12, side D= 2x+5
Friday, December 14, 2012 at 7:40pm by BaileyBubble

math
I assume by "if this pattern continues", you mean that the two figures are similar, or else we can't find anything about the new perimeter. The area of two similar figures is proportional to the square of their corresponding sides. Since perimeter is linear...
Thursday, February 21, 2013 at 9:25pm by Reiny

math
the first side of a triangle is 8 meters longer than the second side. the third side is 3 times the second side. the perimeter is 128 meters. find the lengths of the three sides.
Thursday, February 4, 2010 at 6:15pm by jack

math help!!!
what does the scale factor bestween two similar figures tell you about the given measurments? side lengthes perimeters areas Maybe they are pfroportional see Drwiz's answer to your last question, the answer can be found there
Wednesday, November 15, 2006 at 8:24pm by chemiii

Math
Two triangles are similar. One has sides of 8m, 5m, and 6m. If the longest side of the second triangle is 5m, what are the lengths of the other two sides?
Sunday, December 19, 2010 at 2:30pm by Anonymous

math
go on scale factor wikipedia it will explain everything to you and if not then: The ratio of any two corresponding lengths in two similar geometric figures is called as Scale Factor. In the equation y=Cx, C is the scale factor for x. C is also the coefficient of x, and may be ...
Thursday, December 20, 2012 at 8:02pm by Rylee

MATH
Congruent figures have the same perimeters. Quadrilaterals have four sides. The perimeters of both would be 4x + 6. Since 4x = 6 = 38, x = 8. The side lengths are 8, 9, 10, and 11. I don't see why the bring a second quadrilateral into the discusion.
Monday, December 20, 2010 at 12:52pm by drwls

Math
If all of the following triangles have the same perimeter, which has the greater area? a) a right triangle with legs of equal lengths b) an equilateral triangle, c) An obtuse triangle d) a triangle whose sides are all different lengths e)an isosceles triangle whose unequal ...
Wednesday, August 8, 2012 at 11:11pm by Anonymous

geometry
This is quite simple. Use ratios to get 20:28 (smaller polygon:larger polygon) Which equals 4:7. This means that any side lengths of the smaller polygon to the ratio of its congruent side lengths of the larger polygon equals 4:7. The work is cut out for you, as we know that ...
Tuesday, March 29, 2011 at 4:30pm by Brian

Math
represent unknowns using variables: let x = length of a side of equilateral triangle let x+10 = length of a side of square *recall that perimeter of any polygon is the sum of the lengths of its sides,, since square has 4 sides with equal lengths, and equilateral triangle has 3...
Thursday, October 28, 2010 at 8:19pm by jai

Math
Trapezium: A = ½ (a+b)h where a and b are the side lengths of the parallel sides, h is the height. Square: A = l 2 where l is the length of a side.
Tuesday, June 1, 2010 at 12:32am by Felicia

Math
One side of the triangle is 2cm longer than the second side. The third is 3/5 as long as the first side. If the perimeter of the triangle is 24cm, Find the lengths of the three sides.
Monday, September 12, 2011 at 8:28am by Roland Lewis Santos

geometry
for any similar figures the ratio of areas is the square of the ratio of lengths. so 1/25 You can easily prove this for yourself by noting that if DE = AB/4 Then the altitude of the little triangle = 1/5 the altitude of the big triangle (1/2)(1/5)(1/5) = (1/25) * (1/2) (1)(1)
Wednesday, December 29, 2010 at 9:31pm by Damon

math
"...of a right triangle" is a trigger to the use of Pythagoras theorem to find the third side given the lengths of two legs. So the length of the third side, S, is: S=sqrt(9^2+40^2) which should come out as an integer. Adding the lengths of all three sides will give ...
Sunday, October 9, 2011 at 11:56pm by MathMate

physics
calculate the difference in change in lengths for the two metals. arclength= angle*radius Now you know the radii are 1.1mm apart, so radius one = R (you are solving for this), and radius two is R+1.1mm you know the two arc lengths (original lengths plus change length) solve for R
Friday, April 6, 2012 at 9:18am by bobpursley

GEOMETRY
The lengths of the two sides of a triangle are given. Descride the lengths possible for the third side. 8ft, 12ft.What is the answer.
Thursday, February 3, 2011 at 4:37pm by MARISOL

math
A triangle has vertices P(7,7), Q(-3,-5), and R(5,-3). a. calculate the lengths of the midsegmaents b. calculate the lengths of the three side of triangle PQR. c. compare your answers in a. and b. what do you notice
Wednesday, October 20, 2010 at 10:59pm by Ted

Math-Triangles
I don't understand. There are two triangles, they are called similar triangles. The first triangle has Side A is 18 Side B is 27 Side C or hypotonuse is x Second Triangle Side A is 14 Side B is 21 Side C or hypotonuse is 28
Saturday, October 17, 2009 at 1:11pm by Anonymous

6th grade math
i found this: Surface Area of a Rectangular Prism = 2ab + 2bc + 2ac (a, b, and c are the lengths of the 3 sides) In words, the surface area of a rectangular prism is the are of the six rectangles that cover it. But we don't have to figure out all six because we know that ...
Tuesday, April 7, 2009 at 7:00pm by Angie

geometry
How do you determine whether each pair of figures is similar and justify your answer? triangle PQR, side PR is 3 and angles P and R are both 60 degrees, triangle GHI, side GH is 7 and angles G and H are both 60 degrees.
Thursday, December 10, 2009 at 9:17pm by Stacy

Geometry
Triangle FGH has the following side lengths: FG = 5 ft, GH = 10 ft, HF = 12 ft Triangle PQR is similar to triangle FGH. The longest side of triangle PQR, RP = 7.2 ft.
Wednesday, November 3, 2010 at 8:39pm by shannon

8 th grade math
each side of square is 6 in. long . a scale factor of 2/3 is used to draw a similar square. how long is each side of similar square . choices are 4in. ,6 in., 8in. ,answer not here i chose 8 in. is that right
Monday, May 14, 2012 at 9:53pm by Anonymous

math
the perimeter of a triangle is 54 centimeters. the longest side is 6 centimeters less than the sum of the other two sides. Twice the shortest side is 10 centimeters less than the longest side. Find the lengths of each side of the tirangle
Friday, January 20, 2012 at 3:26am by Toni

Math
Explain how solving a linear inequality is similar to solving a linear equation. Explain how solving a linear is different from solving a linear equation.
Tuesday, February 8, 2011 at 6:25pm by Cindy

geometry
A regular hexagon has side lengths 15 in. The perimeter of the hexagon is 90 in. A second hexagon has side lengths 18.75 in. Find the perimeter of the second hexagon. Round to the nearest tenth.
Tuesday, February 7, 2012 at 4:03pm by bob

geometry
1. A triangle has side lengths of 8, 10, and 12. what kind of triangle is it? 2. A triangle has side lengths of 3, 4, and 7. what kind of triangke is it?
Thursday, January 12, 2012 at 10:13pm by lacey

Math
Describe at least two ways of finding a missing side length in a pair of similar figures. This depends on what type of figure it is and what type of data you already have. Can you be more specific? Please repost with more data. Thanks for asking.
Sunday, November 26, 2006 at 1:54pm by chemiii

geometry
What value of x would make these pentagons similar? Side A= 21 Side B= 3x-2 Side A'= 15 Side B'= 2x+1
Monday, September 12, 2011 at 7:14pm by Keisha

8 th grade math
each side of square is 6 in. long aq scale factor of 2/3 is used to draw similar square , how long is each side of similar square?
Monday, May 14, 2012 at 6:47pm by Anonymous

math
Triangle HIJ is similar to triangle LMN. Side LM measures x + 1, side MN measures 2x and side NL measures 3x – 1. Side HI measures 12 and side JH measures 26.4. Find the value of x
Thursday, December 13, 2012 at 6:47pm by neecee

math
Triangle DEF is similar to triangle PQR. Side DE measures 3, side EF measures 7 and side FD measures 9. Side PQ measures 5x – 25 and side QR measures 6x + 4. Find the value of x.
Friday, August 26, 2011 at 10:41am by Anonymous

MATH
Triangle DEF is similar to triangle PQR. Side DE measures 3, side EF measures 7 and side FD measures 9. Side PQ measures 5x – 25 and side QR measures 6x + 4. Find the value of x.
Tuesday, June 7, 2011 at 3:09pm by Vince

Geometry
The lengths of the sides of a triangle are 3,5, and 7 inches. How many inches long is the shortest side of a similar triangle that has a perimeter of 75 inches? F.10 G.12 H.14 H.15 k.22
Friday, December 7, 2012 at 7:57pm by Lisa

Math
Hello! I need assistance in solving for a side for a right triangle in trigonometry. Can anyone give me the easiest way/formula how to go about solving it? Thank you!
Monday, November 26, 2007 at 6:42pm by Jenny Lynn

Please help Math
"If the coressponding angles of 2 polygons are congruent" then the two polygons are either congruent or similar. If, in addition, the lengths of the sides are proportional (i.e. may or may not be congruent), then we cannot say that they are congruent, so they are ...
Wednesday, December 8, 2010 at 2:25am by MathMate

math
"Similar" shapes keep the same ratio of side lengths, although the sizes may be different. One is a magnified version of the other. The Length/Width ratio of each rectangle is the same In your case, 11/6 = x/5 Solve for the unknown length x, and round to nearest one-...
Sunday, April 3, 2011 at 10:24am by drwls

Algebra
The perimeter of a triangle is 52 centimeters. The longest is 2 centimeters less than the sum of the other 2 sides. Twice the shortest side is 13 centimeters less than the longest side. Find the lengths of each side of the triangle. What are the lengths of the sides from ...
Saturday, March 24, 2012 at 10:26pm by CRT angel

Geometry
the lengths of 2 sides of a triangle are 2 inches and 10 inches. find the range of possible lengths for the third side, s.
Thursday, July 21, 2011 at 11:19pm by Lydia

Geometry
find the lengths of the sides of a triangle whose perimeter is 37. The measure of the first side of the triangle is 8 less than the second side, and the second side is twice the length of the third side
Thursday, February 10, 2011 at 8:12pm by Zach

Pre Algebra
The first side of a triangle is 8 meters longer than twice the second side. The third side is 3 times the second side. The perimeter is 128 meters. Find the lengths of the three sides.
Wednesday, January 13, 2010 at 12:25am by Elisa

Math
Triangle ABC is similar to triangle APQ, with angle CBA equal to angle QPA and angle A common to both triangles. The lengths of sides AB, AP and PQ are 90 cm, 60 cm and 30 cm. Calculate the length of side BC.
Friday, June 4, 2010 at 5:36pm by Golkhadi nep

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