Question

What is the surface area of this right circular cone?
radius=12
height=40

Answer 1

2026.75 (units) squared

Explanation:

SA of a cone = πr(r+h2+r2)

SA = π(12)(12+√(40^2)+(12^2))

SA = 12π(12+√1744)

Put in calculator and get 2026.75