Question

Find the perimeter of square whose area is 39.69

Answer 1

please refer to the attachment


Hope it will help you

Answer 2

let, the arm of the square is a
then, area= 39.69 unit^2
or, a^2=39.69
or, a=√(39.69) = 6.3 unit.

so, the perimeter is P= 4a
or, perimeter P=4×6.3=25.2 unit.