Semester 1 Vocab

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Across
  1. 4. a triangle with no congruent sides
  2. 7. lines on different planes that do not intersect
  3. 12. Lines- lines that intersect at a 90-degree angle
  4. 13. Lines- lines on the same plane that never intersect
  5. 15. the exact middle point of a line segment
  6. 18. points on the same plane
  7. 20. a ____ angle measures 180 degrees
  8. 21. two rays with a common endpoint
  9. 22. part of a line with one endpoint that extends indefinitely in one direction
  10. 23. angles that share a vertex and side (next to each other)
  11. 25. points on the same line
  12. 26. Segment- part of a line with 2 endpoints
  13. 27. a triangle with 3 congruent angles
Down
  1. 1. a line that intersects at least 2 other lines
  2. 2. made up of points and extends indefinitely in both directions
  3. 3. a triangle with 2 congruent sides
  4. 5. an ____ angle measures between 0-90 degrees
  5. 6. congruent angles that are across from one another in intersecting lines
  6. 8. two angles whose sum is 180
  7. 9. a location with no size or shape
  8. 10. angles that are adjacent and supplementary
  9. 11. a flat surface made of 3 or more points
  10. 14. a triangle with 3 congruent sides
  11. 16. an ____ angle measures between 90-180 degrees
  12. 17. a segment, line, or ray that splits an angle or segment into two equal parts
  13. 19. a ____ angle measures 90 degrees
  14. 24. two angles whose sum is 90