Equalateral, Isosceles, Scalene; Acute, Obtuse, Right
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The classifications of a triangle are:Right Triangle- has one angle that is 90 degreesEquilateral Triangle- has three equal sides and three equal angles (each is 60 degrees)Isosceles Triangle- has two equal sides and two equal anglesScalene Triangle- has no congruent sidesAcute Triangle- has three acute angles (less than 90 degrees)Obtuse Triangle- has one obtuse angle (more than 90 degrees)
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The question "What are the classifications of a triangle" is answered elsewhere. The angles in a triangle can be either an obtuse >90 degrees, an acute <90 degrees, or a rectal = 90 degrees
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scalene triangle