Let L be the length and W be the width of the rectangle.

Hence L = 4* W

We now use the area to write 80 = L * W

Substitute L by 4 W in the equation above 80 = 4*W × W = 4 W^2

Solve for W and find L

4 W^2 = 100

W^2 = 25, W = 5 and

L = 4*5 = <<4*5=20>>20 m

# Answer

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Question:
The length of a rectangle is four times its width. If the area is 100 m2. what is the length of the rectangle?
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The length of a rectangle is four times its width. If the area is 100 m2. what is the length of the rectangle?
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