Geometry Vocabulary #1

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Across
  1. 4. The point exactly in the middle of a segment
  2. 5. A line or ray that divides an angle into two equal parts
  3. 8. Two angles that have the same measure
  4. 9. Two angles that share a common side and vertex
  5. 11. An angle with a measure less than 90 degrees
  6. 13. An angle with a measure of exactly 90 degrees
  7. 14. A flat surface that extends infinitely in all directions
  8. 15. Points that lie on the same plane are ____
  9. 18. A formula that is used to find the distance between two points
  10. 19. A piece of a line with two endpoints
Down
  1. 1. Two segments that have the same length
  2. 2. Made of an infinite number of points; has no thickness or width; Extends infinitely in opposite directions
  3. 3. Points that lie on the same line are ____
  4. 4. A formula that is used to find the order pair for the midpoint of a segment
  5. 6. A point, segment, line, or ray that divides a segment into two equal parts
  6. 7. A piece of a line that has one endpoint and extends infinitely in one direction
  7. 10. An angle with a measure between 90 and 180 degrees
  8. 12. An angle with a measure of exactly 180 degrees
  9. 16. Two lines that never intersect are ____
  10. 17. The common endpoint of an angle