Discover new perspectives and gain insights with IDNLearn.com. Our platform offers comprehensive and accurate responses to help you make informed decisions on any topic.
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