Consider that Figure A and Figure B are similar figures.
The length of two corresponding sides are 9 and 15 feet. We want to find the ratio of the perimeter of A to the perimeter of B. To do so, recall that the ratio of the perimeter is the same as the ratio between the corresponding side lengths.
Perimeter of A/Perimeter of B=Side Length of A/Side Length of B
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Perimeter of A/Perimeter of B= 9/15
The value of the ratio of the perimeters is 915.
