### Home > INT2 > Chapter 8 > Lesson 8.4.2 > Problem 8-93

8-93.

For each circle below, what are the arc length and the area of the shaded sector? Write your answers in terms of

*π*. Homework Help ✎a.

*m*∠*AOB*= 120°b.

*CD*= 6 in

arc length = (fraction of circle)(circumference of circle)

sector area = (fraction of circle)(area of circle)

Use the same two methods as part (a). What is the radius of this circle?