Math, asked by nithyakalyanilaya75, 6 months ago

In A ABC if ∠A+∠B=∠C then its orthocentre is

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Answered by Nylucy

3

Answer:

Consider, △BHN and △BDN

∠C=∠C

BN=BN

∠BNH=∠BND [Right-angled angle]

△BHN and △BDN are congurent

hence , HN=ND=2RcosBcosC

HD=2HN

HD=4RcosBcosC

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