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12 April, 20:07

How long is the arc intersected by a central angle of 5pie/3 radians in a circle with a radius of 2ft rounded to the nearest tenth

A 2.6ft

B 7.0 ft

C 10.5 ft

D31.4 ft

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Answers (1)
  1. 12 April, 21:26
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    Radius of a circle: r = 2 ft

    Central angle: α = 5 π / 3 = 300°

    Arc Length = 2 · 2 · π · 300/360 = 2 · 2 · 3.14 · 5/6 = 10.4666 ft ≈ 10.5 ft

    Answer:

    C) 10.5 ft
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