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15 September, 15:22

Find a central angle (in radians) of a circe of radius 2 inches if the angle subtends an arc of 8 inches?

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  1. 15 September, 15:37
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    What you should know is that the length of an arc comes by:

    arc = r * angle

    Where

    r = radio

    angle = is the angle

    Clearing the angle we have then:

    angle = arc / r

    angle = (8) / (2)

    angle = 4 randians
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