write the formula to find the total surface area of the cone whose radius is 'r' units and slant height is 'l ' units
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Step-by-step explanation:
The total surface area of a cone is the combination of the curved surface as well as the base area of a cone. The formula to calculate the total surface area of the cone is: TSA of cone = πr2 + πrl = πr(l+r) square units
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