Question

plz plz plz slove it .....19th one

Answer 1

area of square=square of side
so, side = root of area 
 s = 24 cm

now diagonal = s root2
        diagonal = 24 root2 cm

Answer 2

let side be x
576=x²
x=√576
x=24cm
side =24cm
diagonal=s root 2
=24 root 2