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12 May, 11:37

A sector with a area of 11 over 2 pi cm squared has a radius of 3 cm

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  1. 12 May, 13:19
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    Step-by-step explanation:

    Step-by-step explanation:

    Area of sector = angle/360 * pi * r^2

    5.5pi = angle/360 * pi * 9

    5.5 = angle/360 * 9

    angle = (5.5 * 360) / 9 = 40 * 5.5 = 220
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