Question

if the ratio of the area of the two square is 2/1, the the ratio of the perimeter of the square is

Answer 1

(a1/a2)^2=2/1

(a1/a2)=(squareroot2/squareroot1)

(a1/a2)=

$sqrt{2} \ \div sqrt{1}$

now perimeter

(4a1/4a2)=squareroot2/1