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Mathematics 18 Online
OpenStudy (anonymous):

a triangle OAB is formed where O is the centre of a cricle of radius 12cm, and A and B are endpoints of a 15cm chord. find the angle subtended at the centre of the circle, in degrees and minutes @amoodarya

OpenStudy (amoodarya):

|dw:1359801796109:dw| is that what you mean ?

OpenStudy (anonymous):

yh

OpenStudy (amoodarya):

|dw:1359801931776:dw|2nd step

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