Across
- 2. Side-Angle-Side abbreviation
- 4. "corresponding parts of congruent triangles are congruent"
- 9. A triangle with three equal interior angles
- 11. less than 90 degrees
- 12. a plane figure with three straight sides.
Down
- 1. Side-Side-Side abbreviation
- 3. triangle with all different sides and lengths
- 5. a type of angle that is always larger than 90° but less than 180°
- 6. formed by two lines (perpendicular to each other)
- 7. Angle-Angle-Side abbreviation
- 8. hypotenuse-leg abbreviation
- 10. Angle-Side-Angle abbreviation