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question mark

In isosceles triangle ABC, if the altitudes intersect on the inscribed circle, then what is the cosine of vertical angle A?

ABC , 7 Years ago
Grade 11
anser 2 Answers
Arun
Dear Jeet
 
I am getting my answer as cos A = 1/9
Please let me know if this is correct then I will share my solution.
 
Regards
Arun
Last Activity: 7 Years ago
ABC
Yes, the answer is right.
Please privide me full solution.
_____________________________________________________________________________;_____
Last Activity: 7 Years ago
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