The perimeter of a rectangle is 40 m. If its length is 4 m less than breadth, then the area of the rectangle is
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Answer:
96 cm^2
Step-by-step explanation:
40 = 2(l + b)
2(b-4 + b)
20 = 2b - 4
b = 12
l = 12 - 4
=8
area = 8 * 12
96 cm^2
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