Quadrilaterals

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Across
  1. 3. Diagonals of a square are to each other
  2. 8. Figure with four sides, angle and vertices
  3. 9. Parallelogram with all sides equal
  4. 10. Quadrilateral with one pair of parallel sides
  5. 11. Diagonal of a parallelogram divides it into two congruent
  6. 12. Quadrilateral whose two pair of adjacent sides are equal is called kite
Down
  1. 1. The quadrilateral formed by joining the mid-points of the sides of the quadrilateral in order is a
  2. 2. Diagonals of a parallelogram each other
  3. 4. Opposite angles of a parallelogram are
  4. 5. parallelogram with all sides equal and has 1 angle which is 90
  5. 6. Parallelogram with 1 right angle is called
  6. 7. The line segment joining the mid-points of two sides of a triangle is to the third side