SOLUTION: I think I am doing this wrong because I got an answer 36 pi cm2. But my teacher marked it off as wrong. I looked it up online and people gave the same answer. Did my teacher just m

Algebra ->  Surface-area -> SOLUTION: I think I am doing this wrong because I got an answer 36 pi cm2. But my teacher marked it off as wrong. I looked it up online and people gave the same answer. Did my teacher just m      Log On


   

Question 445582: I think I am doing this wrong because I got an answer 36 pi cm2. But my teacher marked it off as wrong. I looked it up online and people gave the same answer. Did my teacher just mark it off wrong by accident? The question is: find the surface area of the hemisphere with radius 3 cm in terms of pi.
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
A=4pi*R^2
A=4pi*3^2
A=4pi*9
A=36pi cm^2 ans.