Asked by Shay

The length of a rectangle is three times its width. If the area of the rectangle is 300cm, find its perimeter.

14 years ago

Answered by MathMate

Let width, W=3L (length)
Area, A = W*L = 300
Substitute W=3L
(3L)*L = 300
L²=300/3=100
L=?

14 years ago

Answered by Henry

post

14 years ago

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