Angle - The space between two rays that meet at a common point, Degrees - what we measure angles with, Vertex (more than 1 are vertices) - The point where two edges meet, Acute angle - An angle that measures less than 90°, Obtuse angle - An angle that measures between 90° and 180°, Right angle - An angle that measures exactly 90°, Congruent - Same size and same shape,

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