Question

Which of the following is a formula for calculating the perimeter of a rectangle of length I and breadth b

Answer 1

area=16 sq.cm
side length=4 sq.cm
perimeter=side *4
=4*4
=16 cm
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Answer 2

Area means a^2 i.e 4^2 = 16
So a is 16^(1/2) = 4
perimeter means 4a = 4*4= 16