In the given, AB is the diameter of the circle with centre O. If ∠ADC = 32o, find angle BOC.
In the given, AB is the diameter of the circle with centre O. If ∠ADC = 32o, find angle BOC.

Solution:

at the centre and

at the remaining part of the circle.

Thus,

As

are linear pair, we have

Or,

Therefore,
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