Geometry by Joy

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Across
  1. 4. The middle point of a line segment
  2. 6. Middle point of a line segment
  3. 12. 2 angles with measures that add to 90 degrees
  4. 14. Plane with 9 sides
  5. 15. Adjacent angle who when combined are supplementary
  6. 16. A ray/line that divides an angle into 2 equal parts
  7. 17. Plane with 7 sides
  8. 18. Plane with 8 sides
Down
  1. 1. Plane with 10 sides
  2. 2. 2 angles with measures that add to 180 degrees
  3. 3. Plane with 6 sides
  4. 5. Angle that measures 180 degrees
  5. 7. Plane with 12 sides
  6. 8. 4 sided figure whose opposite sides are parallel
  7. 9. Plane with at least 3 sides
  8. 10. 2 angles on intersecting lines directly across from each other
  9. 11. 4 sided plane
  10. 12. 2 angles of the same measures
  11. 13. Angle measures less than 90 degrees
  12. 19. The space between 2 intersecting lines
  13. 20. Angle measures more than 90 degrees but less than 180