Across
- 3. sum of three angles of a _________ is 180
- 5. equilateral quadrilateral
- 7. line segment joining the centre of the circle to any point on the circle itself
- 9. three or more points that lie in a straight line
- 11. relationship between two lines which meet at a right angle
- 14. Algebric Expression which has two or more Terms
- 15. Every point on the number line represents a unique real number
- 16. All the rational numbers and irrational numbers taken together
- 17. line that passes through two lines in the same plane
- 18. ________ is a Whole Number
- 20. __________ is a Rational Number
- 21. Quadrilateral with two pairs of parallel sides
- 22. equiangular quadrilateral
Down
- 1. Indian Astronomer and Mathematician
- 2. line segment whose endpoints lie on the circle
- 4. Numbers between two rational numbers are __________
- 6. Greek Genius - PI Decimal Expansion
- 8. Two angles whose sum is 180 degrees
- 10. Every Whole Number is a _________ Number
- 11. Two lines on a plane that never meet
- 12. Two distinct point in a plane determine a _____________ line
- 13. regular quadrilateral
- 19. closed figure that is the union of line segments in a plane
- 21. Greek philosopher and mathematician