Across
- 1. an angle between 0 and 90 degrees
- 4. a 180 degrees angle
- 6. two angles that add up to 90 degrees
- 7. theorem used to solve the lengths of the sides of right triangles
Down
- 2. the study of triangles
- 3. an angle between 90 and 180 degrees
- 4. two angles that add up to 180 degrees
- 5. a 90 degrees angle