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14 February, 20:17

Find the length of a 40° arc in a circle with a radius of 4

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  1. 14 February, 22:58
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    8π/9 ≈ 2.79

    Step-by-step explanation:

    The arc length is a fraction of the total circumference:

    s = (θ/360) 2πr

    s = (40/360) 2π (4)

    s = 8π/9

    s ≈ 2.79
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