Question

find the perimeter of sqare whose area is 1.69

Answer 1

let side of square be a since area = a^2 =1.69=169/100=(13/10)^2
thus a=1.3
since perimeter =4a
=4*1.3=5.2

Answer 2

side willl be 1.3 cm and perimeter will be 5.2cm