Asked by Brianna

Two rectangles are similar. The first is 4in. wide and 15in. long. The second is 9in. wide. Find the length of the second rectangle.

Answers

Answered by Reiny
Similar polygons have corresponding sides in the same ratio, so

4/15 = 9/x
4x=135
x = 135/4 or 33.75

the 2nd side is 135/4

check:
9 : (135/4)
=36:135
= 4 : 15
= 20:27
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