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8. Atent is cylindrical to a height of 4.8 m. and conical above it. The radius of the4.5m. and total height of the tent is 10.8 m. Find the canvas required for the tent inmeters. |
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Answer» canvas required = CSA of cone+ CSA of cylindercsa of coneis 22/7 ×r ×lcsa of cyl. is 2× 22/7× r× h h of cone = 10.8 - 4.8l=√(4.5)²+(6 )²= 7.5canvas used= 22/7× 4.5×7.5 + 2×22/7× 4.5× 4.8 =742.5/7 + 950.4/7 =106.07 + 135.77 = 241.84 cm² 241.84 centimetre square is the right answer 241.84 is my answer to that question |
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