Across
- 6. Angles that add up 180°
- 8. The smallest number that is in the times table of two or more numbers
- 10. A number that has two factor, 1 and the number itself
- 12. Angle on a line
- 14. A number that has more than two factors
- 15. All the elements of two or more sets
- 16. A list of elements or numbers
- 18. The greatest number that divides two or more numbers evenly
- 19. A polygon with three sides
- 20. An angle that is more than 180°
- 21. A gain
Down
- 1. A set that has limited number of elements
- 2. The overlaped section of two or more diagrams
- 3. Opposite of raise
- 4. A whole number
- 5. Opposite angles formed by intersecting lines
- 7. A triangle with two equal sides
- 9. The brackets used to list sets
- 11. A triangle with three equal sides
- 13. Adjacent angles that add up 90°
- 16. A triangle with three unequal sides
- 17. Positive and negative numbers