Answers

2014-05-08T10:46:46+08:00
The formula of Surface Area of the cone is:
SA = pi r s + pi r^2
The volume of the cone:
V= 1/3 pi r^2h
The half of the sphere fomula:
 - Find the volume of the WHOLE sphere (4/3 x pi x radius cubed)
 - Divide by two

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