Find the volume of a cone of radius 3.5cm and vertical height 12cm [Take π = 22/7]
The volume of a cone = \(\frac{1}{3}\) x \(\pi\) x r\(^2\) x h
= \(\frac{1}{3}\) x \(\frac{22}{7}\) x \(\frac{7}{2}\) x \(\frac{7}{2}\) x 12 = 154cm\(^3\)
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