COORDINATE GEOMETRY

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Across
  1. 1. In the 4th and 1st quadrant, the abcissa of a point is ____
  2. 3. The measures of the angle between coordinte ______ isb 90 degree
  3. 5. French mathematician of the 17th century
  4. 6. The point where both the axes intersect
  5. 8. The coordinate axes divide the plane into 4 parts called______
  6. 9. X-axis
Down
  1. 1. 2 points having same abcissa but different ordinatev lie _____ to y-axis
  2. 2. Rene descartes published a book called 'called___'
  3. 4. System for describing the position of a point on a plane
  4. 7. Y-axis