geometry

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Across
  1. 3. adding up to 180 degrees
  2. 8. whenever an angle is more than 90 degrees
  3. 9. whenever an angle is exactly 90 degrees
  4. 10. lines that will never touch each other
  5. 11. whenever an angle is less than 90 degrees
  6. 13. a pair of angles that are supplementary
  7. 15. the division of a shape into two equal halves
  8. 16. the statement after the hypothesis
  9. 17. a line an infinite object
  10. 18. the line that connects the midpoints of two lines
  11. 20. a line that passes through parallel lines
Down
  1. 1. adding up to 90 degrees
  2. 2. a statement that is not proven false
  3. 3. the rate of change of a line
  4. 4. a triangle with all congruent sides
  5. 5. the space between two points
  6. 6. the same shape and/or size
  7. 7. intersections that form right angles
  8. 12. the middle point in a line segment
  9. 14. statement that uses the form of "if something, then something."
  10. 19. being the same or equal distance