Question

If the length of the side of cube is doubled, how much per cent will its total surface increase ?​

Answer 1

If Side is doubled then ,

T.S.A =

$6 {s}^{2}$

$6 \times 2s \times 2s$

$6 \times {4s}^{2}$

$24 {s}^{2}$

6(2s^2) ÷ 6(s^2)

=24s^2 ÷ 6s^2

= 4 times

= 400%

Hope this helps !