Geometry Year Round Vocabulary

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Across
  1. 8. two angles that add up to 180 degrees and are next to each other
  2. 9. the pairs of angles on one side of the transversal but outside the two lines
  3. 10. the pairs of angles on opposite sides of the transversal but outside the two lines
  4. 11. a ray that cuts the angle exactly in half making two equal angles
  5. 13. the face you get when you make one slice through an object
  6. 14. lines that will never touch and are the same distance apart
  7. 16. a part of a line with one endpoint that continues in one direction
  8. 17. a part of a line that includes two points called endpoints
  9. 18. an angle with its vertex at the center of a circle
Down
  1. 1. the pairs of angles on one side of the transversal but inside the two lines
  2. 2. the pairs of angles on opposite sides of the transversal but inside the two lines
  3. 3. an angle whose vertex is on a circle and whose rays intersect
  4. 4. a segment that passes through the center and has its endpoins on the circle
  5. 5. the distance from the circles center to a point on the circle
  6. 6. a line that crosses two or more lines
  7. 7. a line segment with its endpoints on a circle
  8. 12. the point where the three perpendicular biesectors meet
  9. 15. the point where two or more rays meet