Across
- 4. Angle that measures less than 90 degrees
- 6. Angle that measures exactly 90 degrees
- 7. When two or more lines cross each other
- 8. Two angles having the same vertex and having a common side between them
- 9. Triangle that has all equal side lengths
- 10. Two angles that add up to 90 degrees
- 11. Triangle in which two sides have the same length
Down
- 1. Each of the pairs of opposite angles made by two intersecting lines; angles are congruent
- 2. Triangle that has three unequal side lengths
- 3. Two angles that add up to 180 degrees
- 5. Angle that measures more than 90 degrees, but less than 180 degrees