What is the volume of a cone if its radius is 4.2mm and height is 2mm? (Round off the answer to two decimal points).
36.92mm3
36.72mm3
36.926mm3
36.9264mm3
A
36.926mm3
B
36.9264mm3
C
36.92mm3
D
36.72mm3
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Solution
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Volume of cone is V=13πr2h
Here, the radius is 4.2 mm and height is 2 mm.
Thus,
V=13πr2h=13×3.14×(4.2)2×2=36.9264 mm3
Hence, the volume of the cone is 36.92 mm3.
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