Question

A basket ball is just packed in a cube of sides 20 cm then the surface area of basket ball is

Answer 1

the surface area of basketball is :-
$6 \times {a}^{2} \\ = 6 \times {20cm}^{2 } \\ = 6 \times 400 {cm}^{2} \\ = 2400 {cm}^{2}$