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Find the area of canvas required for a conical tent of height 24 m and base radius 7 m.
Height of conical tent = 24 m
Radius of its base = 7 m
Slant height of cone l = √(r2+h2) = √(242+72) = √625 = 25 m
Area of canvas required = πrl = 22/7×7×25 = 550 m2