Across
- 3. sum of any 2 sides of a triangle is ________ than the 3rd side.
- 6. If in a parallelogram its diagonals bisect each other and are equal then it is a______
- 9. A line segment connecting 2 non consecutive vertices of a polygon
- 11. 11-sided polygon
- 12. a generalized polygon with a countably infinite number of sides.
Down
- 1. If in a parallelogram its diagonals bisect each other at 90 degree and are equal then it is a______
- 2. For two triangles, if two angles and the included side of one triangle are equal to two angles and the included side of another triangle. Then the congruency rule is_______
- 4. The angles opposite to equal sides of a triangle are_______
- 5. a stop sign is what type of polygon
- 6. name the congruency criterion unique to right triangles
- 7. all the medians of a triangle are equal in case of a__________
- 8. a trapezium having two right angles
- 10. a polygon with all its interior angles less than 180°.