triangles
Across
- 2. circle whose center is the intersection of two of definition*
- 5. the symmetry axis of an angle
- 8. connects the midpoint of a side and the opposite vertex
- 9. perpendicular to one side and through the opposite side
- 11. 3 in a triangle
Down
- 1. circle whose center is the intersection of two of the definition #
- 3. Pythagoras' favourite!
- 4. the symmetry axis of a side
- 5. their sum is always 180°
- 6. all its angles measure 60°
- 7. intersection of two of definition %
- 10. a triangle with only one symmetry axis