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

12-143.

**12-143.**Determine the perimeter of the sector at right. Homework Help ✎Multiple Choice: A. 12

*π*ftB. 3

*π*ftC. 6 + 3

*π*ftD. 12 +

*π*ftE. none of these

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