105k views
1 vote
A circle with circumference 18 has an arc with a 120° central angle. What is the length of the arc?

User J Ng
by
5.3k points

1 Answer

5 votes

Answer:

6

Explanation:

A circle is 360 degrees

The central angle is 120 degrees

120/360 = 1/3

The arc is 1/3 of the circle or 1/3 of the circumference

1/3 * 18 = 6

User Keivan Kashani
by
5.4k points