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I need some help finding the surface area of this figure...

Mathematics
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1 Attachment
a little circle a big circle and an trapezium
|dw:1333783298213:dw| It is not a trapezium but a difference of sectors

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Other answers:

|dw:1333783389861:dw|
do you mind if i work in radians (or do you prefer degrees) radians will be simpler
Radians is fine! c:
how do we find the extra height to the nonexistant apex of the cone
Do you know the final answer so i can confirm? is it 388.355? if yes then ill explain it
|dw:1333784950944:dw|
I don't really know what the final answer is (or how to find the extra height). :c
|dw:1333785068455:dw| i just added the surface areas of these two figures..
suface area of cone + surface area of circle
but the bit that goes round the middle is not a sector , it is a difference of sectors
im not sure its right though
Anyway, thank you both for helping! I'm...still not entirely sure how to do this problem, but I have a couple of ideas now, so...

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