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Posted by U15194380 (U15194380) on Tuesday, 1st May 2012
hello, hopefully someone answers this in time before tomorrow. i was going through credit 2002 paper 2, and question 5 confuses me a little. i guess i need to do volume=x-section area x height, but i don't know how to fin the area of the semicircle. please help, thanks
Posted by Maths Teacher BBC (U15178780) on Wednesday, 2nd May 2012
Use area of a circle and half it!!!