Asked by Skye

If the perimeter of a rectangle is 60m and the area is 225m^2 what is the length of the rectangle?

11 years ago

Answered by Damon

L * w = 225

2 L + 2 w = 60 so L + w = 30 and w = 30-L

L (30-L) = 225

30 L - L^2 = 225

L^2 -30 L + 225 = 0

(L-15)(L-15) = 0

L = 15 meters

11 years ago

Answered by Skye

Thank you for your help! :)

11 years ago

Answered by Damon

You are welcome.

11 years ago

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