Geometry

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Across
  1. 6. set of points in space a given distance from a given point called the center
  2. 9. arc whose measure is greater than 180 degrees
  3. 11. angle whose measure is 90 degrees
  4. 12. an arc whose endpoints are the endpoints of a diameter
  5. 14. A line that extends in one direction, rather than two
  6. 15. segment whose endpoints are the center of the circle and a point on the circle
  7. 17. a rectangle with all four sides congruent to each other
  8. 19. divides a figure into two congruent halves that reflect each other
  9. 23. a line, ray segment, or plane that divides a segment into two congruent segments
  10. 24. a formal proof that contains statements and reasons organized in two columns
Down
  1. 1. triangle with all sides congruent
  2. 2. a polygon which is equilateral and equiangular
  3. 3. points that do NOT lie on the same plane
  4. 4. the distance around a polygon
  5. 5. arcs with equal measure in the same circle or in congruent circles
  6. 7. the distance around a circle
  7. 8. the number of square units required to cover a surface
  8. 10. parallelogram with consecutive sides congruent
  9. 13. a triangle that has all acute angles
  10. 16. for an acute angle of a right triangle, the ratio of the opposite angle and the hypotenuse
  11. 18. has two congruent circular bases in parallel planes
  12. 20. quadrilateral with exactly one pair of opposite sides parallel
  13. 21. a prism where all faces are squares
  14. 22. set of points in a plane that are equidistant from a center
  15. 25. a logical argument in which each statement you make is supported by a statement which is accepted as true