What is the complete surface area of a right cone with a radius of 3 and a height of 15?

Slant height of the cone = sqrt(32 + 152) = 15.297

Base surface area = π(3)2 = 9π

Curve surface area = π(3)(15.297) = 45.891π

Total surface area = 9π + 45.891π = 54.891π