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A right triangle ABC with sides 5 cm, 12 cm and 13 cm is revolved about the side 12 cm. Find the volume of the solid so obtained.

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A right triangle ABC with sides 5 cm, 12 cm and 13 cm is revolved about the side 12 cm. Find the volume of the solid so obtained.

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Height (h)= 12 cm

Radius (r) = 5 cm, and

Slant height (l) = 13 cm

Volume of cone, V = \(\frac{1}{3}\) πr2h

V = \(\frac{1}{3}\) × π × 52 × 12

= 100π

Volume of the cone so formed is 100 π cm3.

This post was modified 4 years ago by Samar shah
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