Across
- 3. name of property a+b = b+a (11)
- 7. the operation 'of'represents (14)
- 9. the observation that occures most often(4)
- 10. a line that intersects 2 or 3 lines at distinct points(11)
Down
- 1. numbers include positive,negative and zero (8)
- 2. LHS (12)
- 4. part of a whole (8)
- 5. another name to arithmetic mean (7)
- 6. pair of angles which their sum of measures of angles is 90 degrees(13)
- 8. simple closed figure made up of three sides(8)