Q: 1    Find the volume of the right circular cone with:

            (ii) radius \small 3.5 cm, height 12 cm

Answers (1)

Given,

Radius = r =3.5\ cm

Height = h =12\ cm

We know,

Volume of a right circular cone = \frac{1}{3}\pi r^2 h

\therefore Required volume = \frac{1}{3}\times\frac{22}{7}\times3.5^2\times12

\\ = 22\times0.5\times3.5\times4 \\ = 11\times14 \\ = 154\ cm^3

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