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A rectangle has a perimeter of 28 centimeters The width of the rectangle is 2 centimeters less than the length What is the area of the rectangle?
Wiki User
∙ 15y ago
Let x be L, so W = x - 2
P = 2(L + W) substitute 28 for P, x for L, and x - 2 for W;
28 = 2(x + x - 2) divide by 2 to both sides;
14 = 2x - 2 divide by 2 to both sides;
7 = x - 1 add 1 to both sides;
8 = x
x - 2 = 8 - 2 = 6
So L = 8 cm and W = 6 cm.
A = LW = 8 x 6 = 48
Thus the area is 48 cm^2
Wiki User
∙ 15y ago
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