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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.

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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