Question

Find the surface area of a cube with edge:

(i) 11 cm (ii) 1.2 m (iii) 27 cm

Answer 1

S.A of cube $=6s^2$

$\left(i\right)6\times {11}^2=6\times 121=726c{m}^2$

$\left(ii\right)6\times {1.2}^2=6\times 1.44=8.64m^2$

$\left(iii\right)6\times {27}^2=6\times 729=4374c{m}^2$