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January 31, 2015

January 31, 2015

Posted by **nabiha** on Thursday, April 22, 2010 at 4:12pm.

a) Calculate the area on top of the slice that has been cut out.

b) Calculate the volume of the cake that remains after the slice has been removed.

c) Calculate the surface area of the cake that remains after the slice has been removed.

i particularly need to know how to do c)

- maths -
**Reiny**, Thursday, April 22, 2010 at 5:47pmYou will have to tell us something about the sector cut out, either its sector angle or its arc length.

- maths -
**nabiha**, Thursday, April 22, 2010 at 6:20pmsector angle is 320 degrees without sliced cut which is therefore 40 degrees

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