Geometry Words

2. two rays that have the 'same endpoint and extend in opposite directions.
5. An angle that measures 90 .
7. either of two angles lying on opposite sides of two intersecting lines.
12. each angular point of a polygon, polyhedron, or other figure.
13. is a fixed part of a line. It has two endpoints
14. is a line that passes through two lines in the same plane at two distinct points.
15. a straight one- dimensional figure that has no thickness and extends endlessly in both directions.
16. a part of a line that has one endpoint and goes on infinitely in only one direction.
17. when they add up to 90 degrees
19. an idea or explanation that you then test through study and experimentation.
20. Two or more lines which have no intersections but are not parallel

1. two angles or arcs whose sum is 180 degrees.
3. is a point, line, or curve common to two or more objects
4. An angle that measures more than 90 and less than 180
6. two angles that have a common vertex and a common side but do not overlap.
8. An angle that measures less than 90 .
9. a proposition or statement that is demonstrated. In geometry
10. a unit of measurement that is used to measure angles, and also longitude and latitude
11. An angle that measures more than 90 and less than 180 .
18. the space occupied by a flat shape or the surface of an object