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17 November, 01:52

The radius of a circle is 5 inches. What is the length of a 90° arc?

90°

r=5 in

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Answers (1)
  1. 17 November, 03:50
    0
    5π/2 inches

    or 7.85 inches to the nearest hundredth.

    Step-by-step explanation:

    The length of the arc = radius * the angle in radians.

    90 degrees = π/2 radians, so

    The length of the arc = 5π / 2 inches.
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