Across
- 3. straight line the extends endlessly
- 4. defined by 3 points
- 6. top of the head
- 8. an angle at 180 degrees
- 9. part cut off from a figure
- 10. middle point of a line segment
- 11. extend infinitely in one direction
- 12. used to measure length
- 13. extending in the same direction
- 14. lines that intersect at a right angle
Down
- 1. lines that share exactly one point
- 2. the unit of measure for an angle
- 4. exact position on a plane surface
- 5. tool used for measuring an angle
- 7. figure formed by two rays
- 12. angle which is equal to 90 degrees