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Math Vocab
All math vocab for Chapter 5 test!!
Word | Definition |
---|---|
plane | Infinite flat surface |
parallel | lines in a plane that never meet |
transversals | a line intersecting two or more lines |
alternate interior angles | a pair of angles formed by two lines and a transversal |
corresponding angles | angles formed by two lines and a transversal |
vertical angles | angles on opposite sides of the intersection or two lines |
mid point | where two lines intersect |
congruent segments | equal lengths |
segment bisector | passes through the midpoint |
perpendicular | lines, rays, and line segments form right angles. |
perpendicular bisector | a line, ray, or segment that interescts a segment at its midpoint and is perpendicular to it. |
ray | a line with an endpoint |
angle | two rays with a common endpoint |
vertex | the common endpoint |
acute angle | an angle that measures less than 90º |
right angle | an angle that measures exactly 90º |
obtuse angle | an angle that measure greater than 90º and less than 180º |
straight angle | an angle that measures exactly 180º (makes a straight line) |