Asked by Blessing
An arc of length 48cm substends 160° at the centre of the circle.what is the radius of the circle
Answers
Answered by
oobleck
s = rθ
r(160/180)π = 48
r = 48/π * 180/160 = 54/π
r(160/180)π = 48
r = 48/π * 180/160 = 54/π
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