| __ | 11. | Polygon with 5 sides | | A. | Acute triangle |
| __ | 12. | Polygon with 6 sides | | B. | Obtuse triangle |
| __ | 13. | Polygon with 7 sides | | C. | Right triangle |
| __ | 14. | Triangle has 3 congruent angle | | D. | Equilateral |
| __ | 15. | Triangle with 1 obtuse angle | | E. | Equiangular |
| __ | 16. | Triangle with 1 right angle | | F. | Isosceles |
| __ | 17. | Triangle with 2 congruent side | | G. | Pentagon |
| __ | 18. | Triangle with 3 acute angles | | H. | Scalene |
| __ | 19. | Triangle with 3 congruent side | | I. | hexagon |
| __ | 20. | Triangle with no sides equal | | J. | Heptagon |