CROSSWORD PUZZLE

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Across
  1. 3. Polygon, Self intersecting polygon that resembles a star.
  2. 4. section, The region enclosed by an ellipse.
  3. 7. A quadrilateral that can be inscribed in a circle.
  4. 9. Quadrilateral with no parallel sides.
  5. 10. Set of points.
  6. 13. Also known as tetragon or quadrangle.
  7. 15. Bounded by polygons joined at their edges.
  8. 17. Line segment joining any two any points on the circle.
  9. 18. Expression of equality between two ratios.
  10. 21. An angle whose vertex lies at the center of the circle and whose sides are radii of the circle.
  11. 22. Total distance around the edge of the figure.
  12. 24. Formula of finding the area of a cyclic quadrilateral is known as:
  13. 25. Line segment which joins any two adjacent vertices.
  14. 30. Plane figure made up of different geometric figures whose area can be determined.
  15. 31. Center of the circle circumscribing a triangle.
  16. 33. A triangle with a right angle (90 degree angle)
  17. 34. Quadrilateral with one pair of parallel sides.
  18. 36. Set of all points within the boundary of the circle.
  19. 38. Set of all points outside the boundary of the circle.
  20. 40. Center of the largest circle that can be inscribed in a triangle.
  21. 42. A symmetrical open plane curve formed by the intersection of a cone with a plane parallel to its side.
  22. 45. Three-dimensional figure bounded by surface or plant figures.
  23. 46. Type of polyhedron whose congruent bases lie in parallel planes.
  24. 49. Special type of rectangle in which sll the sides are equal.
  25. 50. The line joining the center of a circle to any points on the circle.
Down
  1. 1. An angle that equal to one-half the measure of its intercepted arc.
  2. 2. Line segment joining any two non-adjacent vertices.
  3. 5. The opposite sides are parallel.
  4. 6. Distance between two parallel sides of a quadrilateral.
  5. 8. The perimeter of the circle.
  6. 11. Bases and lateral faces are parallelograms.
  7. 12. The angle formed between two intersecting lines.
  8. 14. Special type of prism whose faces and edges are all congruent.
  9. 16. Not always in the interior of the triangle.
  10. 19. A surface such that a straight line joining any two points lies wholly in the surface.
  11. 20. Known as the center of mass of the triangle.
  12. 23. The interior angles are all right angles.
  13. 26. Figure bounded by two radii and an included arc.
  14. 27. Closed plane figure formed by line segments.
  15. 28. All points on its surface are equidistant from its center.
  16. 29. Endpoints of each side of the polygon.
  17. 32. Line segment connecting the midpoint of a side and the opposite vertex.
  18. 35. Base is a polygon and lateral faces are triangle.
  19. 37. Quotient of one quantity divided by another quantity.
  20. 39. Parallelogram in which all sides are equal.
  21. 41. Solid bounded by a closed cylindrical surface.
  22. 43. Portion of a circle that contains two endpoints on the circle.
  23. 44. Area bounded by any two concentric circles.
  24. 47. It resembles a pyramid but with a circular base.
  25. 48. The locus (curve or graph) of a point.