Tools of Geometry

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Across
  1. 3. An exact location that is usually represented by a dot and capital letter
  2. 4. Common endpoint for an angle
  3. 6. part of a line with two endpoints
  4. 8. An angle that measures less than 90 degrees
  5. 9. Aline,ray,line segment,point that cuts a line segmentn into two equal parts
  6. 13. Angles opposite to each other when two lines intersect
  7. 14. The sum of two angles is 90 degrees
  8. 17. A straight path that extends without end in opposite directions
  9. 18. Angles that have a common vertex,a common side but no common interior points
  10. 19. A part of a line or a ray that extends from one endpoint to another
  11. 20. An angle that measures exactly 180 degrees
  12. 22. A pair of adjacent, supplementary angles
Down
  1. 1. Sum of the measures of two angles is 180 degrees
  2. 2. Having the same length or size
  3. 5. The unit of measurement of angles
  4. 7. Opposite angles formed by two intersecting lines
  5. 10. The two rays of an angle
  6. 11. A part of a line that has one endpoint and extends without end in one direction
  7. 12. A perfectly flat surface that extends infinitely in all directions
  8. 15. An angle that measures more than 90 degrees but less than 180 degrees
  9. 16. Angle that measures exactly 90 degrees
  10. 21. Formed by two rays with a common endpoint