Across
- 3. numbers having more than two factors
- 5. a simple closed figure bounded by four line segments
- 6. polygon having nine sides
- 8. triangles having two sides equal
- 9. natural numbers together with 0
Down
- 1. fractions having same denominators
- 2. law of addition in which two whole numbers (a+b)=(b+a)
- 4. polygon having seven sides
- 7. an angle having more than 90° and less than 180°