Mathematics

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Across
  1. 3. has infinately many solutions
  2. 4. the quadrilateral formed by joining the mid points of the sides of a quadrilateral
  3. 6. diagonals bisect each other and are equal and vice versa
  4. 8. an algebric expression consisting of variables,constants and algebric operations
  5. 9. collection of all points in a plane,which are equidistant from a fixed point in the plane
  6. 10. if two sides and the included side of one triangle are equal to the other then the triangles are congruent by
Down
  1. 1. is a polynomial of degree 3
  2. 2. the coordinate axes divide the plane into 4 parts called
  3. 5. of an event lies between 0 and 1
  4. 7. if the sum of pair of opposite angles in a quadrilateral is 180 then the quadrilateral is