Maths Activity- Crossword Puzzle

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Across
  1. 3. A 3D figure with no edges and no sides.
  2. 6. segment of a circle is the region between an _____ and chord of the circle.
  3. 9. A paper used for drawing graphs.
  4. 11. The longest chord of a circle.
  5. 13. The performance or exercise of an experiment.
  6. 14. A line joining at any two points in a circle.
  7. 17. Area of a triangle is half the product of its base and corresponding _________.
  8. 18. A measure of central tendency which is denoted by x ̅.
  9. 19. A quadrilateral with adjacent sides equal.
Down
  1. 1. The difference of the highest and the lowest values in the data is called the _______of data.
  2. 2. The most frequently occurring observation.
  3. 4. A geometrical tool used for measuring angles.
  4. 5. An equation which has infinite solutions.
  5. 7. A 3D figure whose Total Surface Area is ‘πr (l + r)’.
  6. 8. The quadrilateral formed by adjoining the mid points of the sides of a quadrilateral, in order.
  7. 10. The extraction of meaningful information
  8. 12. The value of the middle- most observation.
  9. 15. Collection of all the points at a fixed distance from the fixed point on a plane.
  10. 16. The region between an arc and two radii.