Geometry Vocabulary
Terms
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- 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