Across
- 4. a triangle with 2 equal sides
- 6. a polygon with 3 sides
- 7. a triangle with one obtuse angle
- 9. any side perpendicular to the height of a triangle
- 11. a triangle with one right angle
- 12. angles on the outside of a polygon
- 14. the longest side of a right triangle
- 15. a triangle with 3 equal sides
Down
- 1. a triangle with 3 congruent angles
- 2. angles on the inside of a polygon
- 3. an angle between two sides of a polygon
- 4. a side between two angles
- 5. a triangle with 3 unequal sides
- 8. the 2 shorter sides of a right triangle
- 10. the non-congruent side of an isosceles triangle
- 13. a triangle with 3 acute angles