G4allyalKitt G4allyalKitt

01-04-2017
Mathematics

contestada

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

Respuesta :

wolf1728 wolf1728

01-04-2017

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

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