Question

What is the length of the arc of a circle with a radius of 4 by a central angle of 7pi/4?

Answer 1

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Answer:

  (b) 7π

Step-by-step explanation:

The arc length is the product of the radius and the central angle in radians.

  s = rθ

  s = (4)(7π/4) = 7π . . . units