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math def. 3
vocab
Definition | Term |
---|---|
the point that divides or bisects a segment into two congruent segments | midpoint |
to divide a segment or angle into two congruent parts, the bisector can be a ray, line, segment, or plane intersecting the segment at its midpoint | bisect |
a ray that divides an angle into two adjacent angles that are congruent | angle bisector |
consist of two angles whose sides form 2 pairs of opposite rays | vertical angles |
two adjacent angles whose non common side are opposite rays | linear pair |
two angles whose measure has a sum of 90 | complimentary angles |
two angles whose measures have a sum of 180 | supplimentary angles |