A toy is in the shape of a cone mounted on a hemisphere of the same base radius r. Which surfaces make up its total surface area? (CSA = curved surface area, TSA = total surface area)

Question

Accepted Answer

CSA of cone + CSA of hemisphere. The flat circular faces of both the cone and the hemisphere are joined and hidden, so only the curved surfaces of each remain exposed.

A toy is in the shape of a cone mounted on a hemisphere of the same base radius r. Which surfaces make up its total surface area? (CSA = curved surface area, TSA = total surface area)

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