Across
- 4. A triangle with two sides that are the same length.
- 5. A triangle with three congruent sides.
- 7. A triangle where none of the three sides have the same length.
- 8. Part of a line starting at one point and extending indefinitely in one direction.
- 10. A polygon with three sides.
Down
- 1. The straight path connecting two points and extending beyond the points in both directions.
- 2. All points between two given points, including the points given.
- 3. An angle measuring more then 90 degrees and less then 180 degrees.
- 6. An angle that measures less then 90 degrees.
- 9. Two rays sharing a common endpoint.
- 11. An angle measuring 90 degrees.
