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August 29, 2015
Posted by **Martin** on Tuesday, February 28, 2012 at 9:26pm.

(a)Calculate the surface area

(b)What is the volume of the sphere

- geometry -
**em0chique**, Tuesday, February 28, 2012 at 10:20pmPart A

a = 4*pi*r^2

= 4*pi*56^2

answer will be in mm^2

Part B

v= (4/3)*pi*r^3

= (4/3)*pi*(56^3)

answer will be in mm^3

- geometry -
**Montel**, Wednesday, February 29, 2012 at 12:10ami dont kno lol could u help give me answer?