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01-06-2021
Mathematics

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

what is the arc length of the subtending arc for an angle of 72 degrees on a circle of radius 4 class=

Respuesta :

06-06-2021

Answer:

8π/5

Step-by-step 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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