Geometry Ch1A Vocabulary

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Across
  1. 1. Points that lie on the same line
  2. 3. Two opposite angles (2 words)
  3. 4. Angle less than 90 degrees (2 words)
  4. 6. Flat surface that extends forever
  5. 9. Two angles that add up to 90 degrees (2 words)
  6. 12. Two angles that share a vertex and a side (2 words)
  7. 13. Points that lie on the same plane
  8. 14. 180 degree angle (2 words)
  9. 15. Segments with the same length (2 words)
  10. 17. The point where two rays meet in an angle
  11. 18. Straight path that extends forever
Down
  1. 1. Angles that have the same measure (2 words)
  2. 2. Starts at an endpoint and extends forever
  3. 5. Two angles that add up to 180 degrees (2 words)
  4. 6. Names a location
  5. 7. The measurement of how far two things are apart
  6. 8. Point that divides a segment in half
  7. 10. 90 degree angle (2 words)
  8. 11. Figure formed by two rays
  9. 16. Angle greater than 90 degrees (2 words)