Across
- 1. quadrilateral in which diagonals are perpendicular bisector
- 7. angle less than right angle
- 8. triangle having all sides different
- 10. triangle having two equal angles
- 11. two lines having 90 angle between them
- 13. angle equal to 90
Down
- 2. parallelogram having all sides equal
- 3. quadrilateral having all angles 90
- 4. triangle having all angle 60
- 5. quadrilateral having one pair opposite side parallel
- 6. quadrilateral in which diagonal bisect each other
- 9. quadrilateral in which diagonals are perpendicular to each other
- 12. angle less than straight angle