Maths crossword

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Across
  1. 4. One out of three measures of central tendency.
  2. 7. Equations that have a solution are called _______ pair of linear equations.
  3. 9. Are well defined steps which gives a procedure to solve out a type of problem.
  4. 10. events E and not E are _______ events.
Down
  1. 1. The distance from the y coordinate.
  2. 2. triangles If corresponding angles of two triangles are equal then they are known as __________ triangles.
  3. 3. There is only one _____ at a point of circle.
  4. 5. b2-4ac
  5. 6. The singular of this word is frustum.
  6. 8. The graph of a quadratic polynomial is in the shape of _______