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Find the scale factor from the larger rectangle to the smaller rectangle, if the two rectangles are similar.B B
7 : 5
5 : 7
7 : 8
8 : 7
Step 1: If we multiply the length of the one side of the larger rectangle by the scale factor we get the length of the corresponding side of the smaller rectangle.
Step 2: Dimension of larger rectangle × scale factor = dimensions of smaller rectangle
Step 3: [Substitute the values.]32 × scale factor = 28
Step 4: [Divide each side by 32.]Scale factor =
Step 5: [Simplify.]Scale factor = = 7 : 8
Step 6: Scale factor of larger rectangle to smaller rectangle = 7 : 8.