Geometry Vocab

6. angle whose measure is between 0 degrees and 90 degrees.
8. a three-sided polygon with no sides that are equal
10. two figures or two lines that don't occur the same plane
12. a two-dimensional plane having two perpendicular lines intersect at the midpoint called the origin
13. angles the non-adjacent angles formed by two intersecting lines.
15. part of a line that contains an endpoint and all points extending in the other direction.
17. a three-sided polygon with two sides that are equal
19. splits in half
23. two lines in the same plane that never intersect
25. segment that connects two points on the circle.
27. consists of two points and the continuous part of a circle between them
29. always lie outside two lines that are intersected by the transversal and they are located on the opposite sides of the transversal.

1. collection of points along a straight path that extends endlessly in both directions.
2. segment whose endpoints are the center of the circle and a point on the circle.
3. the angles that lie on the inner side of parallel lines but on the opposite sides of the transversal
4. two lines that intersect to form 90 angles
5. two angles whose sum is 90 degrees
7. a chord that passes through the center of the circle.
9. a flat, two-dimensional surface that extends indefinitely.
11. part of a line that consists of two points called endpoints and all points between them.
14. when two parallel lines are intersected by a third one, the angles that occupy the same relative position at each intersection
16. noncoplanar lines they will not intersect.
18. 90 degree angle
20. two angles whose sum is 180 degrees
21. two figures are said to be this if they have the same angle measures and same side lengths
22. angle whose measure is greater than 90 degrees but less than 180 degrees.
24. lying in the same plane
26. an exact location in space. It has no dimensions.
28. a point equidistant from the ends of a line