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Mathematics 13 Online
OpenStudy (anonymous):

The surface area of a cone with radius r units and slant height s units is shown below: Surface area = 3.14(rs + r2) Part A: If r = 3 units and s = 5 units, write an expression that can be used to calculate the surface area of the cone. Part B: What is the surface area of the cone? Show your work.

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