3. In Fig. 6.19, sides AB and AC of ΔABC areproduced to Eand D respec – InterviewSolution

1.	3. In Fig. 6.19, sides AB and AC of ΔABC areproduced to Eand D respectively. If angle bisectorsBO and CO of ZCBE and ZBCD meet each other atpoint O, then prove that:< BOC = 90°--2Fig. 6.19
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