1.

Prove that a triangle must have two acute angle

Answer»

All triangles have THREE angles thatmust add up to 180 DEGREES. ... Two of the angles cannot be obtuse anglesbecause the combined angle measure would over 180 degrees which isn't possible. Therefore at least two angles have to be acute since that is the only SCENARIO (besides having 3 acute angle) for a TRIANGLE to FORM.



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