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avatar+1234 

Altitudes $\overline{AD}$ and $\overline{BE}$ of acute triangle $ABC$ intersect at point $H$.  If $\angle AHB = 144^\circ$ and $\angle BAH = 66^\circ$, then what is $\angle HCA$ in degrees?

 Mar 18, 2024
 #1
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The angle HCA is 77 degrees.

 Nov 5, 2024

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