September 24th, 2018, 11:49 AM  #1 
Newbie Joined: Sep 2018 From: Poland Posts: 1 Thanks: 0  triangle
The altitudes of the scalene, acuteangled triangle ABC intersect in point H. The point S is the midpoint of the arc BC of the circle circumscribed about triangle BCH, which contains the point H. Determine the measure of angle BAC if the equality AH = AS is satisfied. BS=CS AH=AS H is ororthocenter of ABC triangle angle BAC=??? 

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