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23 July, 22:39

An arc length 3 feet is cut off by a central angle of pi/4 radians, find the area of the sector formed

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  1. 23 July, 22:55
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    Sector area = 0.5 r^2 * theta (in radians)

    arc length = r*theta

    3=r * (0.7854)

    r=3.82

    sector area = 0.5 * (3.82) ^2 * 0.7854 = 5.73 sq ft
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