Question

If a bass has a diameter of 3 feet which of these represents c the circumference of the drum?

Answer 1

The circumference of a circle is given as;

$\begin{gathered} C=2\pi r \\ OR \\ C=\pi d \\ We\text{ have been given the diameter, hence} \\ C=3\pi \end{gathered}$

Therefore, the third option is the correct answer