Assertion(A): If distance of the circumcentre from side BC of triangle ABC is d then orthocentre will be at distance 2d from vertex A.

Reason(R): We know that in triangle ABC distance of circumcentre from BC=R cos A and distance between orthocentre and vertex A=2Rcos A.

Dear Anindita

Assertion A is correct statement

Reason R is correct statement

And Reason R is correct explanation of Assertion A

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