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27 August, 07:53

Find the length of arc xpy with a radius of 8

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  1. 27 August, 08:30
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    The formula is pi r^2, 3.14x8^2

    3.14x64

    200.96

    because you're finding the arc, not the whole circle, the area is 100.48. Now, square root the half area to find the length of the circle.
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