Across
- 4. an angle that measures 90 degrees
- 6. an angle that measures exactly 180
- 8. an angle that measures less than 90 degrees
- 9. having same size and shape
- 10. a triangle with two angles that measure the same and one different
Down
- 1. lines that intersect to form right angle
- 2. lines in the same plane that never intersect
- 3. an angle that measures more than 90 degrees
- 5. a triangle with three different angles
- 7. having all sides equal length