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Parallel Lines Cut by a Transversal

Terms in this set (9)

Vertical Angles
a pair of opposite congruent angles formed by intersecting lines
Corresponding Angles
On parallel lines these two angles are on the SAME side of the transverse and the same side of the parallel lines. They are EQUAL. What are they called?
Alternate Interior Angles
angles are on opposite sides of the transversal and on the inside of the given lines
Alternate Exterior Angles
those on opposite sides of the transversal and outside the parallel lines and are congruent
Adjacent Angles
two angles that share a common vertex and side, but have no common interior points
Acute Angle
An angle less than 90 degrees
Obtuse Angle
an angle that measures more than 90 degrees but less than 180 degrees
Right Angle
an angle that measures 90 degrees
Straight Angle
an angle that measures 180 degrees
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