# A right triangle

Concept Used: Volume of cone

Where r = radius of the cone and h = height of the cone.

Given: Dimensions of a right-angled triangle.

Hypotenuse = 13 cm

Base = 5 cm

Perpendicular = 12 cm

Explanation:

When right-angled ΔABC is revolved about its side 12 cm then a cone is formed having

Height (h) = 12 cm

Slant height (l) = 13 cm

Volume

= 100 π cm3

Hence, the volume of the figure is 100 π cm3.

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