the bisector of exterior angle at B and C of triangle ABC meets at O . If angle A=X then angle BOC will be
a)90+x/2
b)90-x/2
c)180+x/2
d)180-x/2
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I hope (b) right answer of this
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Answer:
B). 90-x/2
Step-by-step explanation:
The other one is right.
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