Mathematics, 27.02.2021 14:00, abigail018

A sector of a circle as shown in the figure, with angle at the centre equal to 120° has been cut from a circular lamina of radius 21 CM. show that the perimeter of the remaining portion of the lamina is 130 cm . (solve the sum step by step)

A sector of a circle as shown in the figure, with angle at the centre equal to 120° has been cut fr

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A sector of a circle as shown in the figure, with angle at the centre equal to 120° has been cut from a circular lamina of radius 21 CM. show that the perimeter of the remaining portion of the lamina is 130 cm . (solve the sum step by step)​

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A sector of a circle as shown in the figure, with angle at the centre equal to 120° has been cut from a circular lamina of radius 21 CM. show that the perimeter of the remaining portion of the lamina is 130 cm . (solve the sum step by step)