Question

the volume of cuboid is 840 cm cube . If the length and breadth of the cuboid is 21 cm and 8 cm respectively, find its height​

Answer 1

Given data in the question are,

The volume of cuboid =$840 cm^{3}$.

The length of the cuboid= $12 cm$.

The breadth of the cuboid=$8 cm$.

We have to find Height of the cuboid so,

Volume of the cuboid =$length \times breadth\times height$

$840 cm^{3} =21 \times 8\times height\\\frac{840}{21 \times 8} =height\\\frac{105}{21} =height\\height=5 cm$

Therefore, height of the cuboid is equal to 5cm.