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how can i tell if a triangle is obtuse or acute using the Pythagorean theorem converse? .......................................................................................................................................

 Mar 23, 2016
 #1
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Let a, b and c be the side lengths with c being the longest.  

 

If c^2 > a^2 + b^2 the triangle is obtuse.

 

If c^2 < a^2 + b^2 the triangle is acute.

 Mar 23, 2016

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