contestada

Find the length of the arc intercepted on the unit circle by the following central angle. 0=5π
A. 5π

B. 5/2π

C. 4π

D. 10π

Respuesta :

well, since arc's length is s = rθ where θ is in radians, and in the Unit Circle r = 1 and we also know that θ = 5π radians, then

s = (1)(5π)

s = 5π.

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