What concept am I not getting?
A cylindrical can has a radius of 4 cm and a height of 12 cm. What is the area of the curved surface of the can?
If you were drinking a beer and driving and wanted to disguise your can, how large a "wrapper" would you need to wrap once around your can?
Former Senior Instructor, Manhattan GMAT and VeritasPrep
Vice President, Midtown NYC Investment Bank, Structured Finance IT
MFE, Haas School of Business, UC Berkeley, Class of 2005
MBA, Anderson School of Management, UCLA, Class of 1993