Congruency words

12345678910111213141516171819
Across
  1. 2. A quadrilateral in which adjacent pairs of sides are congruent.
  2. 4. A quadrilateral with one pair of parallel sides.
  3. 6. The longest side of a triangle.
  4. 9. A shape with 4 sides.
  5. 11. A triangle with a 90 degree angle.
  6. 14. A straight line inside a shape that goes from one corner to another.
  7. 15. Lines that intersect and divide a shape into equal sizes.
  8. 16. A shape with 3 sides.
  9. 17. A rectangle where all sides are congruent.
  10. 18. A line.
  11. 19. A triangle with all sides of unequal length.
Down
  1. 1. The objects are _______ if they have the same dimensions and shape.
  2. 3. A triangle with two sides of equal length.
  3. 5. A parallelogram where all sides are congruent.
  4. 7. A quadrilateral where the opposite sides are parallel.
  5. 8. A symbol that represents an number that's unknown.
  6. 10. A triangle with all 3 sides of the same length.
  7. 11. A parallelogram in which all angles are 90 degrees.
  8. 12. A straight line cutting a parallel line.
  9. 13. The amount of turn between two straight lines that have a common end point.