An elastic belt is placed around the rim of a pulley of radius 5cm from point c on the belt the electric belt is pulled directly away from the centre o of the pulley until it is at p ; 10 cm from the point o . Find the length of the belt that is still in contact with the pulley.
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An elastic belt is placed round the rim of a pulled of radius 5cm. One point on the belt is pulled directly away from the centre `O` of the pulley until it is at P, 10cm from O. Find the length of the belt that is in contact with the rim of the pulley. Also, find the shaded area.
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