Question

If each side of squsre is doubled then percenatge increase in its area is

Answer 1

If,

side is x then area = x^2

side is doubled, area will be = 4x^2

% increase in area=

$\frac{4 {x}^{2} - {x}^{2} }{ {x}^{2} } \times 100$

=300%