Across
- 5. the point at which two segments or two rays meet
- 6. A 180° angle.
- 8. A basic figure that is not defined in terms of other figures.
- 9. a figure formed by two rays with a common endpoint
- 10. An undefined term in geometry, a line is a straight path that has no thickness and extends forever in one dimension.
- 14. the value of length between two points
- 15. Figures that lie in the same plane.
- 19. Two angles whose measures have a sum of 90°.
- 21. A pair of adjacent angles whose noncommon sides are opposite rays.
- 22. A statement that is accepted as true without proof. Also called an axiom.
- 23. The nonadjacent angles formed by two intersecting lines.
- 24. To divide a figure into two congruent parts
- 25. Two geometrical figures whose measures are equal.
- 26. an undefined term in geometry, it is a flat surface that has no thickness and extends forever in two dimensions.
- 27. Two angles whose measures have a sum of 180°.
Down
- 1. A part of a line consisting of two endpoints and all points between them.
- 2. Two angles inthe same plane with a common vertex and a common side, but no common interior points
- 3. The point that divides a segment into two congruent segments.
- 4. a unit of angle measure
- 7. An angle with measure greater than 180° and less than 360°.
- 9. A ray that divides an angle into two congruent angles.
- 11. An angle that measures 90°
- 12. A part of a line that starts at an endpoint and extends forever in one direction.
- 13. Points that lie on the same line.
- 16. An angle that measures greater than 90° and less than 180°.
- 17. An undefined term in geometry, it names a location and has no size.
- 18. A point at an end of a segment or the starting point of a ray.
- 20. An angle that measures greater than 0° and less than 90°.