Question

if side of the square is increased by 20% then its area is incresed by​

Answer 1

Answer:

620% is the correct answer.

Answer 2

side = a , area = a×a means a = 20% , a = 20% two times

from net effect x+y+ (xy/100) => 20+20+(400/100)

40+4 = 44%

increased area = 44%