Across
- 4. o/a
- 7. the space (measured in degrees) between two intersecting lines or surfaces
- 10. the line across from the angle
- 11. 90°
- 12. a/h
Down
- 1. mnemonic device used to remember the ratios
- 2. sum of all angles is 180°
- 3. opposite or contrary in effect
- 4. the branch of mathematics dealing with the relations of the sides and angles in triangles
- 5. purpose
- 6. the line next to the angle
- 8. the longest line in a triangle
- 9. o/h