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Bisectors of the exterior angles at …

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Bisectors of the exterior angles at B and C formed by producing side AB and AC of a ∆ABC intersect each other at the point O. Prove that angle BOC= 90° - angleBAC

Posted by Naman Kashyap 5 years, 5 months ago

CBSE > Class 09 > Mathematics

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CBSE > Class 09 > Mathematics