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9 August, 07:47

A circle has a sector with are of (17/2) pi and a central angle of (17/90) pi radians. What is the area of the circle? Either enter an exact answer in terms of pi or use 3.14 pi and enter your answer as a decimal.

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  1. 9 August, 08:01
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    This circle has a sector area of 17pi/2 and a central angle of 17pi/90.

    So, the whole angle of the circle would be 2pi. To find the area of a sector, you can use the formula A=R*Angle

    17pi/2 = R * 17pi/90

    R=45

    A=45^2 * pi

    A=90 pi or 282.6
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