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Geometry can be? | Yahoo Answers
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Similar Triangles: Perimeters and Areas – The perimeter of Δ ABC is 24 inches, and the perimeter of Δ DEF is 12 inches. When you compare the ratios of the perimeters of these similar triangles, you also get 2 : 1. This leads to the following theorem. Theorem 60: If two similar triangles have a scale factor of a : b, then the ratio of their perimeters is a : b.Also how to use these ratios to find missing perimeters and areas. If the scale factor of two similar figures is a/b, then (1) the ratio of their perimeters is a/b and (2) the ratio of their areas is a 2 /b 2Ratio of the areas is the square of the scale factor; ratio of perimeters is the scale factor. %
Scale Factor, Perimeter, Area & Volume of Similar Figures – a) find the ratio of the perimeters the ratio of the perimeters is equal to the scale factor scale factor=26/6—–> 13/3 the answer Part a) is the ratio of the perimeters is 13/3 b) find the ratio of the areas of the larger figure to the smaller figure we know that area larger figure=[scale factor] ²*area smaller figureThis video explains how to find the ratio of areas and ratios of perimeters for similar polygonsYou will find the ratio of the perimeters by writing the length of 28 yards over 8 yards and simplifying it. 28/8 = 7/2 To find the ratio of the areas, you will multiply this by itself because there are two dimensions in an area. 7/2 x 7/2 = 49/4 The second choice is correct.
Area and Perimeter of Similar Polygons ( Read ) | Geometry – B D F A C the ratio of their areas is equal to the square of the ratio of their corresponding side lengths. Area of ABC ——— Area of DEF = ( AB DE) 2 = ( — BC EF) 2 = ( AC DF) 2 EXAMPLE 1 Finding Ratios of Perimeters Find the ratio (red to blue) of the perimeters of the similar rectangles. Perimeter of red rectangle ——— PerimeterUse a ratio to compare the perimeters of and . How is the perimeter ratio related to the side length ratio? Hint (b): In part (a), you found that the zoom factor between the two triangles is . Now use this information to find the perimeters of each triangle, then find the ratio between them.Click here👆to get an answer to your question ️ If two similar triangles have a scale factor of a:b , then the ratio of their perimeters is.