Review Crossword Puzzle

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Across
  1. 1. The line of reflection of a figure with reflectional symmetry.
  2. 3. A tool used to construct circles.
  3. 4. Rotational symmetry with only one line of symmetry.
  4. 7. Formed by two noncollinear rays that share a common endpoint. Measured in degrees.
  5. 8. Two points on a circle and a continuous part of the circle between the two points.
  6. 11. A visual way to organize the steps in a complicated procedure in proper order.
  7. 15. Points that are on the same line.
  8. 19. Has two points at either end called the endpoints and all collinear points between them.
  9. 21. The most basic building block of geometry, a dot that has no size and only is there to mark a location. Always labeled with a capital letter.
  10. 24. The point that is the exact same length from each endpoint.
  11. 26. Points that are on the same plane.
  12. 30. Is equal to.
  13. 32. A ray that goes through the vertex of an angle and divides it into two congruent parts.
  14. 33. An equangular parallelogram, sides across from each other are congruent, congruent diagonals, all right angles.
  15. 34. A perpendicular segment from the center of the polygon's circumscribed circle to the side of the polygon.
  16. 36. A region between two radii and an arc of the circle.
  17. 39. A tool used to measure the degree of an angle.
  18. 41. All the possible diagonals are inside the polygon.
  19. 43. The Property that a figure coincides with itself under an isometry (same on both sides).
Down
  1. 2. An arc of a circle with the same endpoints as a diameter.
  2. 5. An angle with a measurement lower than 90 degrees.
  3. 6. A quadrilateral whose opposite sides are parallel.
  4. 9. A set of lines has a point in common.
  5. 10. The point of concurrency for the 3 perpendicular bisectors of a triangle.
  6. 12. An angle with a measurement higher than 90 degrees, but less than 180 degrees.
  7. 13. Have an endpoint and go on forever in one direction, coming out from the endpoint.
  8. 14. If a line passes through the midpoint of a segment, it ______ the segment.
  9. 16. An infinite amount of points that go in two directions forever.
  10. 17. The property that a figure coincides with itself under a reflection. Also called line symmetry or mirror symmetry.
  11. 18. The common endpoint of the two rays that make up an angle.
  12. 20. A line intersecting two or more other lines in a plane.
  13. 22. Points that mark the end of a section, showing it doesn't go on forever.
  14. 23. The point of concurrency for the 3 altitudes of a triangle.
  15. 25. A line segment that connects two non-consecutive vertices.
  16. 27. The point of concurrency for the three angle bisectors of a triangle.
  17. 28. Has length and width, but no thickness. A flat surface that extends out forever. It is represented as a four-sided shape, similar in appearance to a tilted piece of paper. Name it with a capital letter in script.
  18. 29. The _____ of a circle is the region between a chord and an arc of the circle.
  19. 31. A tool used to construct lines, rays, and line segments.
  20. 33. The property that a figure coincides with itself under some rotation.
  21. 35. The point of concurrency for the three medians of a triangle. (The center of gravity)
  22. 37. At least one possible diagonal is outside the main shape.
  23. 38. A concave kite.
  24. 40. The region between two concentric circles.
  25. 42. Two lines that don't intersect and aren't on the same plane.