Question

A circle has a circumference of 18. It has an arc of 6. What is the central angle of the arc, in degrees?

Answer 1

120

Explanation:

Answer 2

Explanation:

C=2πr

18=2×3.14×r

18=6.28r

r=2.88

Arc of a circle

A=®/360°πr

6=®/360°×3.14×r

®=239°

6