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Asked by harshil92 | 26th Apr, 2010, 07:35: PM
Expert Answer:
consider triangle BOC,
angle BOC+ angle OBC+ angle OCB=180... angle sum property
angle BOC+(B/2)+(C/2)=180
BOC+[(B+C)/2]=180
BOC+[(180-A)/2]=180... Since the sum of A,B,C is 180 degrees.
BOC=90+(A/2)
note... the bisectors must meet at O not C as you have mentioned.
Answered by | 26th Apr, 2010, 11:05: PM
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