Find the area of a rectangle (measured in cm2) with length 4 cm and perimeter equal to 4 times the perimeter of a square of side 9 cm
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Side of square = 9cm
Perimeter = 9*4 = 36 cm
Perimeter of rectangle = 36*4 = 144cm
Length = 4cm
Breadth = ?
2(l + b) = 144
2(4 + b) = 144
4 + b = 72
b = 68cm
Area = l*b
= 68*4
= 272cm^2
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