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Asked by Ak9639315541 | 27 Feb, 2018, 01:45: PM
answered-by-expert Expert Answer

According to a theorem the angles subtended at the centre by a pair of opposite sides

circumscribing the circle are supplementary.

AOD+BOC=180

BOC=180-135=45 

Answered by Arun | 27 Feb, 2018, 02:45: PM

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