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The length of a rectangle is twice its width.

If the perimeter of the rectangle is 42 in, find its length and width.

User SDas
by
6.8k points

1 Answer

1 vote

Answer: Width = 7 inches, Length = 14 inches

Explanation:

Let the width be
w. Then, the length is
2w.

Using the formula for the perimeter of a rectangle,


2(w+2w)=42\\\\w+2w=21\\\\3w=21\\\\w=7\\\\\implies 2w=14

User Bhaumik Pandhi
by
5.9k points