Question

The volume of the cubical tank is 125000 $m^3.$ Find the length of its side.

Answer 1

Volume of a cubical tank$=a^3=125000$cu.m

$\Rightarrow a={\left(125000\right)}^{\frac{1}{3}}$

$={(125\times {10}^3)}^{\frac{1}{3}}$

$={(5\times 5\times 5\times {10}^3)}^{\frac{1}{3}}$

$5\times 10=50$cm

$\therefore$ Length of its side$=10$cm