Pie Day!

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556
Across
  1. 5. a triangle with one obtuse angle
  2. 7. the distance from the center of the circle
  3. 9. ax+by=c
  4. 14. A triangle with three acute angles
  5. 17. the intersection point of the x and y axis
  6. 19. angles that have equal measures
  7. 22. an if-then statement
  8. 25. the two angles that are in the same position in the groups formed by two lines and a transveral
  9. 27. a type of proof written in paragraph form
  10. 28. a six-sided polygon
  11. 29. Two angles whose measures have the sum of 90
  12. 31. a trapezoid with congruent legs
  13. 32. Two angles in a plane that have a common vertex and a common side but no common interior points
  14. 34. a triangle with at least two congruent sides
  15. 35. angles that lie within a pair of lines and on opposite sides of a transversal
  16. 38. circles that lie in the same plane and have the same center
  17. 41. the point that is equidistant from all of the points on the circle
  18. 42. spheres that have the same center
  19. 44. the plane of the x-axis and y-axis
  20. 45. a line that intersects a circle in two points
  21. 47. An angle with measure between 0 and 90
  22. 48. an eight-sided polygon
  23. 49. angle an angle whose vertex is on a circle and whose sides contain chords of the circle
  24. 51. a line that intersects two or more lines
  25. 52. the larger arc of a circle that is created by a central angle
  26. 53. planes that do not intersect
  27. 54. in a right triangle, the side opposite the right angle
  28. 55. polygons with corresponding angles congruent and sides which are proportional
  29. 56. lines that do not intersect and are not coplanar
Down
  1. 1. the set of all points in a plane that are equidistant from a point
  2. 2. a polygon with congruent sides and angles
  3. 3. a triangle that contains an obtuse interior angle
  4. 4. a squared plus b squared equal c squared
  5. 6. a polygon whose angles are all congruent
  6. 8. a triangle with all angles congruent
  7. 10. a triangle with one right angle
  8. 11. the endpoints of an arc are the endpoints of a diameter
  9. 12. a chord that contains the center of a circle
  10. 13. a quadrilateral with both pairs of opposite sides parallel
  11. 15. the length of the perpendicualar segment from the point to the linec
  12. 16. a ten-sided polygon
  13. 18. a polygon of n sides
  14. 20. two lines that intersect to form right angles
  15. 21. the segment that joins the midpoint of the legs
  16. 23. a triangle with all sides congruent
  17. 24. a triangle with no congruent sides
  18. 26. a line in the plane of a circle that intersects the circle in exactly one point
  19. 30. y=mx+b
  20. 33. figures that have the same size and shape
  21. 36. a segment whose endpoints are points on the circle
  22. 37. coplanar lines that do not intersect
  23. 39. drawn around another figure
  24. 40. an angle whose vertex is the center of the circle
  25. 43. opposite divided by hypotenuse
  26. 46. adjacent divided by hypotenuse
  27. 50. a rectangular solid with square faces