Across
- 5. Triangle that has an angle that is less than 90 degrees
- 6. Angles that add up to 90 degrees
- 8. Triangle that has three equal sides
- 9. Triangle that has no equal sides
Down
- 1. Angles that add up to 180 degrees
- 2. Triangle that has two equal sides
- 3. Triangle that has an angle that is greater that 90 degrees
- 4. Two angles that have a common side and a common vertex
- 7. Triangle that has an angle that is equal to 90 degrees