1. Geometry

2. Line segment

3. ray

4. line

5. Right angle

6. Acute angle

7. Obtuse angle

8. Right triangle

9. Obtuse triangle

10. Acute triangle

11. Equilateral triangle

12. Isosceles triangle

13. Scalene triangle

14. Quadrilaterals Any closed figure with four sides

15. rectangle

16. square

17. parallelogram

18. rhombus

19. trapezoid

20. Triangle-3

21. Quadrilaterals-4

22. -gon angle

23. Pentagon-5

24. Hexagon-6

25. Octagon-8

26. Turn-rotation

27. Slide-translation

28. Flip-reflection

29. polygon triangleoctagonhexagonpentagonquadrilateral 3 8 65 4

30. triangle Equilateral triangle Obtuse triangle Isosceles triangle Scalene triangle Right triangle Acute triangle All sides are equal Two sides are the same length No sides are the same length One angle is a right angle Al l three angles are acute One angle is obtuse

31. quadrilateralsrectanglesquaretrapezoidparallelogramrhombus There are 4 right angles Opposite sides are parallel and all sides are the same length Opposites sides are parallelThere is only one pair of parallel sides