Multiple choice

The circumference of the base of a $12\ m$ high wooden solid cone is $44 \ m$. Find the volume.

  1. $616\ {cm}^{3}$
  2. $66 \ {cm}^{3}$
  3. $16 \ {cm}^{3}$

  4. None of these
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A Correct answer
Explanation

Circumference = 2 * pi * r = 44, so r = 7 m. Height h = 12 m. Volume = (1/3) * pi * r^2 * h = (1/3) * (22/7) * 49 * 12 = 22 * 7 * 4 = 616 m^3. Note: The unit in the option is cm^3, which is a typo for m^3.

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