coordinate geometry

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Across
  1. 1. coordinates are written in the form
  2. 4. to locate the position of a point on a plane we require ............ perpendicular lines
  3. 6. if the abcissa of a point is x and the ordinate is y, then(x,y) are called......... of the point
  4. 9. Rene Descartes was a ...... philosopher and mathematician
  5. 10. if (x,y)=(y,x), then x is.......... to y
Down
  1. 2. abcissa is the perpendicular distance of a point from
  2. 3. When(x,y)is not equal to(y,x)then x is .......... to y
  3. 5. 0 is always considered the
  4. 7. x-coordinate and y-coordinate are together known as......... pairs
  5. 8. coordinate geometry is the link between geometry and