the area of rectangle of length 16 cm is the same as the area of a square of side 12cm. find the perimeter of the rectangle.
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Answer:
area of square = 12*12=144 cm2
area of square = area of rectangle
l*b = 144
16*b =144
b = 144/16
b = 9 cm
perimeter of rectangle =2(l+b)
=2(16+9)
=2*25=50 cm
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