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how many square metres of Canvas required for a conical tent whose height is 3.5 M and the radius of whose box is 12 m |
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Answer» l² = r² + h² l² = 12² + 3.5² l² = 156.25 l = √156.25 = 12.5m . Now,Lateral surface Area = π rl = 3.14 ( 12.5)( 12 ) = 471 m² Therefore, Required length of canvas = 471m² |
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