Terms in this set (18)
A straight path of points that has no endpoints.
A part of a line that has one endpoint and continues in one direction infinitely.
A part of a line with two endpoints.
A figure formed by two rays with a common endpoint, called the vertex. The rays are called sides.
An angle with a measure less than 90°.
An angle with a measure of 90°.
An angle with a measure greater than 90° and less than 180°.
An angle with a measure of 180°.
Never cross because they are always the same distance apart
Two angles whose measures have a sum of 90°.
Two angles whose measures have a sum of 180°.
Angles that are in the same position from one line to the other. (Congruent)
A pair of opposite congruent angles formed by intersecting lines. (Congruent)
Angles that have:
~a common side
~a common vertex
~No common interior points (Supplementary)
Alternate Interior Angles
Pairs of non-adjacent angles both interior and on opposite sides of the transversal. (Congruent)
Alternate Exterior Angles
Pairs of non-adjacent angles both exterior and on opposite sides of the transversal. (Congruent)
Form right angles when they intersect each other
Intersects two or more lines at different points
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