Quadrilateral Crossword Puzzle

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Across
  1. 1. a rectangle that is also a rhombus.
  2. 3. a line joining two opposite angles.
  3. 5. a triangle with two equal sides.
  4. 6. a quadrilateral with one pair of parallel sides.
  5. 9. a parallelogram with four equal sides.
  6. 11. a triangle with three equal sides.
  7. 12. a line that cuts through two parallel lines.
  8. 13. the point where two edges of a shape meet.
  9. 14. we always label a quadrilateral going ______.
  10. 15. a parallelogram with four right angles.
Down
  1. 2. any shape with four sides.
  2. 4. angles that add up to 180 degrees.
  3. 7. opposite angles are ___________.
  4. 8. two lines that never meet.
  5. 10. diagonals sometimes _______ each other.