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Find the length of arc if the perimeter of sector is 45 cm and radius is 10 cm. |
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Answer» Given Radius of the sector = 10 cm Perimeter of the sector P = 45 cm l + 2r = 45 l + 2(10) = 45 l + 20 = 45 l = 45 – 20 l = 25 cm Length of the arc l = 25 cm |
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