Across
- 6. Two angles that add up to 180 degrees
- 7. Intersects at 90 degrees
- 11. An angle with a measure of 180 degrees
- 12. two angles that share a common vertex and side
- 14. Two angles that add up to 90 degrees
- 15. Points that lie on the same plane
- 16. The point where two rays share the same endpoint
- 17. AB=AB is an example of this property
- 18. If x=3 and y=3 then x=y
Down
- 1. A five-sided figure
- 2. A ray that divides an angle into two congruent angles
- 3. If a=b, then b=a
- 4. Two adjacent angles that are supplementary
- 5. Lines that do not intersect and are not coplanar
- 8. An angle that measures less than 90 degrees
- 9. The point that divides a segment into two congruent segments
- 10. A six-sided figure
- 13. A polygon that is not concave
- 14. Points that lie on the same line