### Home > INT2 > Chapter 12 > Lesson 12.2.4 > Problem12-143

12-143.

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

1. $12\pi \; \text{ft}$

1. $3π \; \text{ft}$

1. $6 + 3π \; \text{ft}$

1. $12 + π \; \text{ft}$

1. none of these

Remember that the perimeter of a sector is the sum of all the sides, including the arc length.

$\text{Recall the formal for the arc length: }\frac{m\angle }{360º}(2\pi r)$