Ask your own question, for FREE!
Mathematics 8 Online
OpenStudy (anonymous):

Why is surface area of a cone πr^2 + πrl instead of πr^2 + 2πrl. I mean you take the line l and then you multiply by the circumference of a circle which is 2 πr which should get you the surface area of the non circle part. What am i missing?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
Arriyanalol: i need help
23 hours ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
1 day ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!