Geometry Ch. 1

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Across
  1. 3. the intersection of a line and a plane
  2. 5. dividing a segment into two congruent parts
  3. 6. a polygon that is equiangular and equilateral
  4. 7. two endpoints and all the points in between
  5. 10. a ray that divides an angle into two congruent adjacent angles
  6. 12. an initial starting point and all the points in one direction.
  7. 13. two angles whose sum is 90 degrees
  8. 15. one of the three undefined terms in Geometry. Labeled with a lower case cursive letter.
  9. 16. an angle that's measure is greater than 90 degrees and less than 180 degrees
  10. 17. a polygon with nine sides
Down
  1. 1. two angles whose sum is 180 degrees
  2. 2. opposite angles formed by two intersecting strait lines
  3. 4. adjacent angles whose noncommon sides forms opposite rays
  4. 8. segments that have the same length
  5. 9. points that lie on the same plane
  6. 11. an angle that measures exactly 90 degrees
  7. 13. the distance around a circle
  8. 14. a point on a segment that divides it into two congruent parts