3 years ago

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

Mathematics

1 answer:

Alenkinab [10]3 years ago

4 0

Answer:

2026.75 (units) squared

Step-by-step 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

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