Coordinate Geometry

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Across
  1. 5. The X coordinate is also called as
  2. 7. If three or more points lie on the same line, they are called _____ points.
  3. 9. The perimeter of a triangle with vertices (0, 4), (0, 0) and (3, 0) is
  4. 10. The Y coordinate is also called as
  5. 12. A point which is at the same or equal distance from two given points.
  6. 14. This formula is used to find the ____ of 2 points: (x1+x2/2,y1+y2/2)
Down
  1. 1. The points (-1, –2), (1, 0), (-1, 2), (-3, 0) form a quadrilateral of type:
  2. 2. This formula is used to find the ___ of 2 given points: (kx2+x1/k+1,ky2+y1/k+1)
  3. 3. The coordinate plane is divided into ___ quadrants
  4. 4. Find the value of k if the points A(2, 3), B(4, k) and C(6, –3) are collinear.
  5. 6. The ____ is the centre point of an object
  6. 8. The area of the triangle whose vertices are A(1, 2), B(-2, 3) and C(-3, -4) is
  7. 11. root(x2-x1)^2+(y2-y1)^2 This formula is used to find the ____ b/w two points on a plane
  8. 13. Find the distance of the point (–6, 8) from the origin.
  9. 15. This formula is used to find the distance of a point from the ____: rootX2+y2