Across
- 1. triangle where all sides are the same length
- 4. one angle is greater than 90 degrees
- 7. two pairs of opposite sides parallel,equal in length
- 11. one pair of parallel sides
- 12. all three angles are less than 90 degrees
Down
- 2. four right angles
- 3. triangle with at least two sides of the same length
- 5. all sides are the same length
- 6. all sides the same length
- 8. triangle with one right angle
- 9. triangle where no sides are the same length
- 10. degree of a right angle
