angle - two rays that meet at a single endpoint, acute angle - an angle that is less than a 90 degree angle, right angle - an angle that is exactly 90 degrees , obtuse angle - an angle that is greater than a 90 degree angle, right triangle - a triangle that has exactly one right angle, acute triangle - a triangle that has all acute angles, obtuse triangle - a triangle that has one obtuse angle, equilateral triangle - a triangle that has all equal sides, isosceles triangle - a triangle that has at least two equal sides, scalene triangle - a triangle that has no equal sides,

Classifying Triangles Vocabulary

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