A rectangle has width 12 inches and length 3 inches. Every dimension of the rectangle is multiplied by 1/3 to form a similar rectangle. How is the ratio of the perimeters related to the ratio of the corresponding sides? help me please ;(

Question

A rectangle has width 12 inches and length 3 inches.  Every dimension of the rectangle is multiplied by 1/3 to form a similar rectangle.  How is the ratio of the perimeters related to the ratio of the corresponding sides? help me please ;(

solomonzelman · Answer

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solomonzelman · Answer

you multiply each side times 1/3
which is the same thing as dividing each side by 3
you are going to get 1 for width and 4 for lenght
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solomonzelman · Answer

your second and 1st rectangles are (perfectly) proportional to each other.
to find the ratio you will divide|dw:1382749234377:dw|