SOLUTION: Proove that a triangle must have two acute angle
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Question 978686: Proove that a triangle must have two acute angle
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The sum of the measures of the angles of a triangle is 180. An obtuse angle is greater than 90, so two obtuse angles must be greater than 180. Therefore there can only be at most one obtuse angle in a triangle, which is to say the other two angles must be acute.
John
My calculator said it, I believe it, that settles it
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