SOLUTION: The Perimeter of a rectangle is 56 cm. One side is 12 cm longer than the other side. Find the lengths of the sides.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: The Perimeter of a rectangle is 56 cm. One side is 12 cm longer than the other side. Find the lengths of the sides.      Log On


   

Question 1129004: The Perimeter of a rectangle is 56 cm. One side is 12 cm longer than the other side. Find the lengths of the sides.
Answer by math_helper(2461) About Me  (Show Source):
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2L + 2W = 56
2(W+12) + 2W = 56
4W + 24 = 56
4W = 32
W = 8 —> L = 8+12 = 20
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Ans: Width is 8cm, Length is 20cm
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Check: 2*8 + 2*20 = 16 + 40 = 56 ✔