Across
- 2. A line that starts at one point and goes on forever.
- 5. A polygon with three sides.
- 7. Two lines that never meet, no matter how far they extend.
- 8. A unit of measurement for angles.
- 10. ANGLE An angle shown with a small mark to measure it.
- 13. Having the same shape and size.
- 15. The amount of space between two points.
Down
- 1. Having the same shape but different size.
- 3. A line that goes on forever in both directions.
- 4. An angle that measures ninety degrees.
- 6. Two lines that meet to form a right angle.
- 9. A curved part of a circle between two points.
- 11. Formed by two rays with a common endpoint.
- 12. SEGMENT A straight path between two points.
- 14. The constant ratio of circumference to diameter.