congruent angles - same size angles, acute angle - an angle less than 90 o, obtuse angle - an angle greater than 90 o, right angle - an angle that measures exactly 90 o, supplementary angles - angles that add up to 180 0, complementary angles - angles that add up to 90 o, vertical angles - angles opposite from each other that are equal, adjacent angles - angles next to each other that share a side and a vertex, acute triangle - a triangle with 3 angles less than 90 o, isosceles triangle - a triangle that has 2 equal sides, scalene triangle - a triangle that has no equal sides, equilateral triangle - a triangle whose sides are equal in length, triangle - 3 sided shape whose angles = 180 o, straight angle - an angle of 180 0, obtuse triangle - a triangle with one angle greater than 90 o, right triangle - a triangle that has one angle equal to 90 o, degrees - the unit of measure for measuring angles, equiangular triangle - a triangle with all angles congruent ,

Geometry - Triangles and Angles

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