Question

7. The volume of a cube is 125cm.Its
surface area is:
O 100 cm
O 150 cm2
O 125cm2
O
60 cm​

Answer 1

$volume \: of \: cube = {a}^{3 }$

$volume \: of \: cube = 125cm$

${a}^{3} = 125 \\ a = 5$

$surface \: area \: = 6 {a}^{2}$

$surface \: area = 6 \times {5 }^{2} \\ = 6 \times 25 \\ = 150 {cm}^{2}$

option B