4. How many square metres of canvas is required for a conical tent whose height is 3.5 m and the radius of the base is 12 m?
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4. How many square metres of canvas is required for a conical tent whose height is 3.5 m and the radius of the base is 12 m? 4. How many square metres of canvas is required for a conical tent whose height is 3.5 m and the radius of the base is 12 m? July [...]