Question

the ratio of the perimeter and area of a square are in the ratio 2 is to 5 then the perimeter of a square is​

Answer 1

let the side of Square = a

= perimeter of square/area of the square = 2/5

=4×side/side × side = 2/5

= 4a/a2 = 2/5

= 4/a = 2/5

= a = 10

perimeter of the square = 4a

= 4×10 =40cm