What is the arc length of the subtending arc for an angle of 72 degrees on a circle of radius 4?

asked Jun 14, 2022 27.6k views

4 votes

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3 votes

Answer:

8π/5

Explanation:

Length of an arc, L

L = θ / 360° * (2πr)

r = Radius = 4 ; θ = 72

Hence,

L = 72/360 * (2π4)

L = 1/5 * 8π

L = 8π/5

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