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26 December, 04:54

calculate correct to three significant figures length of Arc with subtend an angle of 70 degrees at the centre of circle of radius 4 cm

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  1. 26 December, 06:26
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    4.89 cm

    Step-by-step explanation:

    Formula for arc length = (angle/360) * 2*pi*r

    (70/360) * 2*pi*4 = 4.89cm
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