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15 Cards in this Set
 Front
 Back
Angles that are on the same side of the transversal, but on different lines. These angles are also congruent.

Corresponding Angles


A line that crosses two or more other lines and forms angles

Transversal


part of a line that has two end points

line segment


An angle whose measure is exactly 90 degrees

Right Angle


Formed by two rays

Angle


Angles that are inside the parallel lines when the lines are crossed by a transversal

interior angles


Two angles with measures that have a sum of 90 degrees

Complementary Angles


Two angles with measures that have a sum of 180 degrees

Supplementary Angles


Lines that cross to form a right angle

Perpendicular Lines


Angles that are outside the parallel lines when the lines are crossed by a transversal

exterior angles


An angle with a measure of less than 90 degrees

Acute angle


A location in space and has no size

point


Lines in a plane that never intersect

Parallel lines


An angle whose measure is more than 90 degrees, but less than 180 degrees

Obtuse angle


Figures that are the same size and shape

congruent
