Question

If the side of a square is doubled then how much time its area becomes

Answer 1

area becomes 4times
let the side be a
area=a×a
new side =2a
new area=2a×2a=4a×a=4×previous area
HOPE IT HELPS YOU

Answer 2

it will increase 4 times
suppose side =4cm
area=side × side
=4×4=16cm2
side is doubled 4+4=8cm
area = side×side
8×8=64cm2
so 64 is 4 times of 16
Hope u understand this and plz mark it as brainy.