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If the radius of a circle is 3 meters, how long is the arc subtended by an angle measuring 30°? A) 2π meters B) 4π meters C) 1/4π meters D) 1/2π meters
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1 vote
If the radius of a circle is 3 meters, how long is the arc subtended by an angle measuring 30°?

A) 2π meters
B) 4π meters
C) 1/4π meters
D) 1/2π meters

User Hazem Taha
by
6.3k points

1 Answer

5 votes
circumference (entire circle) = 2 * PI * radius
circumference (entire circle) = 6 * PI
30 degree arc length = (30 / 360) * 6 * PI
30 degree arc length = (1/2) PI meters
answer is D

User Sujivasagam
by
6.6k points
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