Geometry

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Determine the length of an arc with the given central angle measure, m<w=20;r=1 and round the answer to the nearest hundredth.

  • Geometry -

    recall that length of arc is given by
    s = r*theta
    where
    r = radius
    theta = angle in radians
    first we convert the given angle to radians:
    20 * pi/180 = pi/9 = 0.349 rad
    substituting,
    s = 1*0.349
    s = 0.349
    s = 0.35 (nearest hundredth)

    hope this helps~ :)

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