maths crossword puzzle

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Across
  1. 4. abscissa of a point is ___ in third quadrant(positive/negative)
  2. 5. a diagonal of a parallelogram divide it into____ triangles
  3. 7. the region enclosed between two radii and arc is called____
  4. 9. adjacent angles of a parallelogram are_____
  5. 10. highest power of the variable in the polynomial ia called______
Down
  1. 1. if each side of a cuboid is doubled, the total surface area of the new cuboid increases_____ times
  2. 2. diagonal of a square are equal and___ each other at right angle
  3. 3. a number which is rational or irrational is called a ____ number
  4. 6. the supplement of an acute angle is____ angle
  5. 8. the volume of a cone is one third the volume of a_______