Find the surface area of a cone with radius 5 cm and slant height 10 cm

The surface area of a cone can be found using the formula:

Surface Area = πr(r + l)

where r is the radius of the base and l is the slant height.

Given the radius is 5 cm and slant height is 10 cm, we have:

Surface Area = π(5)(5 + 10)
Surface Area = π(5)(15)
Surface Area = 75π

Therefore, the surface area of the cone is 75π square cm.


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