Across
- 3. is the possibility and impossibility of an event (E).
- 5. numbers are not closed under addition.
- 7. are not commutative for addition
Down
- 1. is the number without any variable.
- 2. is a simple closed figure bounded by four line segments
- 4. is said to be a triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, nonagon, decagon etc .
- 6. can be presented using the grouped data.