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5 votes
a circle has an arc of length 48pi that is intercepted by a central angle of 120°. what is the radius of the circle?

2 Answers

2 votes

Answer:

60 degree

Explanation:

User Cjensen
by
4.2k points
6 votes

Answer:

72 units.

Explanation:

arc length = r * C where r = radius and C is the angle in radians, so

48pi = r * (120 * pi / 180)

48 = 120r/180

120r = 48* 180

r = 48 * 180/120

r = 72 units.

User Abenthy
by
4.0k points