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Three heights in a triangle (Posted on 2017-03-11) Difficulty: 2 of 5
Given a triangle ABC.
Let Ha, Hb, and Hc be the altitudes to its sides a,b, c,respectively.
Prove:
Ha + Hb > Hc

Is it possible to construct a triangle with altitudes 7,11, and 20?
Justify your answer.

No Solution Yet Submitted by Ady TZIDON    
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Comments: ( You must be logged in to post comments.)
  Subject Author Date
SolutionAnswerBrian Smith2017-03-21 09:33:08
Hints/TipsA hintAdy TZIDON2017-03-20 03:38:53
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