Analytic Geometry Crossword Puzzle

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Across
  1. 4. transformation that changes the size of a figure.
  2. 5. points at an end of a line segment.
  3. 7. shares a common endpoint.
  4. 9. two angles whose sum is 90 degrees.
  5. 12. divides a segment or angle into two equal parts.
  6. 14. two lines in a plane that cross each other.
  7. 16. a segment whose endpoints are on a circle.
  8. 17. at least one variable and sometimes numbers and operation symbols.
  9. 18. part of a line between two points on the line.
Down
  1. 1. the same plane that have a common vertex and side.
  2. 2. the bisectors of the angles of a triangle.
  3. 3. adjacent, supplementary angles; excluding their common side.
  4. 5. a polygon whose sides are all congruent.
  5. 6. sides that have the same relative positions to geometric figures.
  6. 8. one of the basic undefined terms of geometry.
  7. 10. a rigid transformation of a graph in a horizontal direction.
  8. 11. a point in which two or more lines intersect or cross.
  9. 13. angle an angle who vertex is at the center of a circle and whose sidesare radii of the circle.
  10. 15. an unbroken part of a circle.
  11. 19. a member or item in a set.