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Mathematics 14 Online
OpenStudy (anonymous):

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

OpenStudy (anonymous):

OpenStudy (unklerhaukus):

a little circle a big circle and an trapezium

OpenStudy (unklerhaukus):

|dw:1333783298213:dw| It is not a trapezium but a difference of sectors

OpenStudy (unklerhaukus):

|dw:1333783389861:dw|

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