CPM Homework Help : CCG Problem 9-27

Multiple Choice: Find the perimeter of the sector at right.

A sector of a circle with a radius of 6 feet and a central angle of 30 degrees.

Hint:

What fraction of a full circle is this sector?
Find the circumference of the full circle and multiply by this fraction.

Step 1:

$\text{C}=2\pi\text{r}=2\pi\left ( \frac{1}{12} \right )=\pi\text{ units}$

Step 2:

$\text{Perimeter}=\pi+6+6$