Across
- 3. straight
- 5. Lines that intersect at a right angle.
- 9. round
- 11. point where two or more lines or segments meet, forming an angle.
- 12. measures exactly 180 degrees.
- 14. measures between 90 and 180 degrees.
- 15. three corners and three sides
Down
- 1. less than 90 degrees
- 2. Lines that lie in the same plane and never intersect.
- 4. cross through each other
- 6. The circumference
- 7. what we think of as a line
- 8. An angle that measures exactly 90 degrees.
- 10. figure formed by two rays
- 13. infinitely small location in space marked by a specific coordinate
- 16. starting at a point and extending infinitely in one direction.