Mensuration Crossword

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Across
  1. 2. half a circle.
  2. 6. Area of a sector - area of the enclosed triangle
  3. 7. A triangle with all sides equal
  4. 9. The ratio of the circumference of a circle to the diameter of the same circle.
  5. 11. part of the circumference of the circle
  6. 13. A quadrilateral with equal sides and equal angles.
  7. 15. an area of a circle bounded by two radii and an arc.
  8. 16. A quadrilateral with one pair of sides parallel
  9. 17. A prism whose cross-section is a circle
  10. 19. A triangle with two sides equal
  11. 20. A triangle in which no two sides are equal
Down
  1. 1. A line which touches the circle at one point.
  2. 3. A set of points which are at a fixed distance from a fixed point
  3. 4. A parallelogram with all sides equal
  4. 5. A line passing through the circle and cutting it at two points
  5. 8. Half the diameter
  6. 10. An object with the same cross-section throughout its length
  7. 12. A line segment whose endpoints lie on the circumference
  8. 14. Six sided regular polygon
  9. 18. The longest chord