Q. 254.4( 11 Votes )
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
When right-angled ΔABC is revolved about its side 12 cm then a cone is formed having
Height (h) = 12 cm
Radius (r) = 5 cm
Slant height (l) = 13 cm
= 100 π cm3
Hence, the volume of the figure is 100 π cm3.
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