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Across 1. Device for measuring angles 3. A proposition that is being investigated, it has yet to be proven 5. A point in the middle of two others 6. Angle that measures 90 degrees exactly 8. To divide a angle into three congruent parts 10. To divide a segment or an angle into two congruent parts 11. Angle with measure less than 90 degrees 15. Three sided polygon 17. A fundamental statement that is assumed to be true without proof 20. Not lying on the same line 21. A straight set of points that extends off into infinity in both directions 24. Two angles with the same measure 27. Line on which every point represents a real number 28. Two points on a line, and all the points between those two points 29. A mathmatical statement that has been proven 30. Point of an angle where two rays interset

Down 2. Two segments with the same length 4. Angle that is longer than 90 degrees 7. If the statment is "P" then the negation is "not P" 9. A figure formed by two rays with a common endpoint 12. Angles that measures 180 degrees exactly 13. the part of an if - then statement that follows the word "then". Consequent 14. Useful tool for determining wethere or not a conditional statement is true 16. Unit of measure for angles 18. Place where to points meet or cross 19. Used to indicate congruent angles and segments 22. Lying on the same line 23. States the meaning of a term or idea 25. A Set of two points one end going off into infinety 26. 1/60th of a degree