Volume of a cone whose base radius is 4.2 cm and height is 4 cm
Volume of a cone whose base radius is 4.2 cm and height is 4 cm
A) 73.92 cm3
B) 52.8 cm3
C) 48.6 cm3
D) 40.8 cm3
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2 Answers
Correct option is (A) 73.92 cm3
r = 4.2 cm and h = 4 cm
\(\therefore\) Volume of cone \(=\frac13\pi r^2h\)
\(=\frac13\times\frac{22}7\times4.2\times4.2\times4\)
\(=88\times0.84\)
= \(73.92\,cm^3\)
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