Multiple choice

What is the volume of a cone if its radius is $4.2$mm and height is $2 $mm? (Round off the answer to two decimal points).

  1. $\displaystyle 36.92{ mm }^{ 3 }$
  2. $\displaystyle 36.72{ mm }^{ 3 }$
  3. $\displaystyle 36.926{ mm }^{ 3 }$
  4. $\displaystyle 36.9264{ mm }^{ 3 }$
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A Correct answer
AI explanation

The volume of a cone is given by the formula V = 1/3*pi*r^2*h. Substituting the given radius of 4.2 and height of 2 gives V = 1/3 * 3.14 * (4.2)^2 * 2 = 1/3 * 3.14 * 17.64 * 2 = 36.9264. Rounding this value to two decimal places gives 36.92 mm^3.

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