Properties of Polygons

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Across
  1. 8. _______ angles of a kite are congruent
  2. 9. diagonals of a _____ perpendicular, congruent and bisect the interior angles
  3. 11. _____ angles of any polygon sum to 360
  4. 12. _____ sides of a parallelogram are congruent
  5. 13. diagonals of a kite are _____
  6. 14. diagonals of a _____ are congruent
  7. 15. ____ of a rhombus bisect the interior angles
  8. 18. opposite _____ of a parallelogram are congruent
  9. 19. angles of this polygon sum to 540
Down
  1. 1. diagonals of a _____ are perpendicular
  2. 2. _____ angles of an isosceles trapezoid are congruent
  3. 3. diagonals of a ____ trapezoid are congruent
  4. 4. ________ diagonals of a kite bisect the vertex angles
  5. 5. angles of this polygon sum to 360
  6. 6. ______ angles of a parallelogram are supplementary
  7. 7. consecutive angles between the bases of a trapezoid are ____.
  8. 10. n-2 tell us the number of ____ that can be made in a polygon
  9. 16. each angle in a regular _____ measures 135
  10. 17. diagonals of a parallelogram ______ each other