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### 15 Cards in this Set

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• Back
 What is formed by two lines with one common point? Angle The common point is call the ____of an angle? Vertex What is an angle with a measure of 90 degrees? Right angle What is an angle with a measure less than 90 degrees? Acute angle What is an angle with a measure greater than 90 degrees? Obtuse angle An angle with a measure of 180 degrees Straight angle Two lines in the same plane that do not intersect even when extended is what? Parallel Two angles if they have a common vertex and a common side between them with no other interior points. Adjacent Two lines in the same plane if they intersect and form equal adjacent angles. Perpendicular Two angles whose sum measures 90 degrees. Complementary angle Two angles whos sum measures 180 degrees. Supplementary angle Opposite angles formed by two intersecting lines. Vertical angles A line that intersects two or more lines in different points in the same plane. Transversal Angles formed inside lines by the transversal. Interior angles Angles formed outside lines by the transversal. Exterior angles