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Classifying Triangles and Angle Measures in Triangles
a triangle with three acute angles
a triangle with one obtuse angle
a triangle with one right angle
a triangle with three acute angles that are all 60 degrees
a triangle with no congruent sides
A triangle with at least two congruent sides
a triangle with three congruent sides
the two congruent sides of an isosceles triangle or the two sides that form a right angle
the side of a right triangle opposite the right angle
the non-congruent side of an isosceles triangle
the two angles opposite the legs; they are congruent
the angle opposite the base in an isosceles triangle