Geometry Vocabulary Crossword

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Across
  1. 3. Lines, to lines that intersect to form four 90 degree angles, slopes are negative reciprocals; form adjacent congruent angles
  2. 6. Bisector, a line, segment, or ray that hits at a vertex and cuts the angle into two congruent angles
  3. 10. an infinitely thin and infinitely long collection of points extending in two opposite directions
  4. 11. two angles that form a linear pair, and are supplementary
  5. 12. Angles, two angles who share a common vertex and whose non-common sides form opposite rays
  6. 13. part of a line that has one endpoint and goes on infinitely in only one direction
  7. 15. Angles, two angles whose measurements add up to 90 degrees
Down
  1. 1. Bisector, a line, segment, or ray that intersects a segment at its midpoint and forms four right angles
  2. 2. Angles, two angles whose measurements add up to 180 degrees
  3. 4. the middle of a line segment
  4. 5. Lines, lines that never intersect; they go in the same direction, have same distance apart and have the same slope
  5. 7. Segment, consists of two endpoints and all the points of the line between the two endpoints
  6. 8. a geometric figure made up of two rays that have a common endpoint called the vertex
  7. 9. Pair, two adjacent angles whose non-common opposite sides form opposite rays
  8. 14. Angles, two non - congruent angles that share a common side and common vertex