POLYGONS- Created by Prapti Rajput

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