Geo Unit 4

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Across
  1. 1. acronym for Linear Pair Theorem
  2. 5. a right triangle has one angle that measures _____ degrees
  3. 6. parallel lines have the same _____
  4. 7. acronym for Segment Addition Postulate
  5. 10. Two lines that are in the same plane are either parallel or they _____
  6. 13. In a right triangle, the two acute interior angles are _____
  7. 15. an acute triangle has three angles with measures _____ than 90 degrees
  8. 19. the Triangle _____-_____ Theorem states that the measures of the interior angles of a triangle add to 180
  9. 21. the _____-slope form of a linear equation is y2-y1=m(x2-x1)
  10. 22. (always/sometimes/never) an obtuse triangle _____ contains two segments that have slopes that are opposite reciprocals
  11. 25. If two parallel lines are cut by a transversal, then the same side interior angles are _______
  12. 27. the slope-_____ form of a linear equation is y=mx+b
  13. 29. plural of vertex
  14. 31. Right Angle _____ states that two right angles are congruent
  15. 33. There is a _____ Property of Parallel Lines
  16. 34. In an equiangular triangle, each angle measures _____ degrees
Down
  1. 2. skew lines must be in different _____
  2. 3. an _____ triangle has one angle with a measure greater than 90 degrees
  3. 4. vertical lines have slopes that are _____
  4. 7. the three segments that form a triangle are called the "_____" of the triangle
  5. 8. Vertical Angle Theorem states that vertical angles are _____
  6. 9. How many obtuse angles can a triangle have?
  7. 11. triangle in which none of the sides are congruent to each other
  8. 12. acronym for Triangle Exterior Angle Theorem
  9. 14. an isosceles triangle has at least _____ sides that are congruent
  10. 16. If two parallel lines are cut by a transversal, then the _____ interior angles are congruent
  11. 17. a triangle in which all three sides are congruent is both equilateral and _____
  12. 18. Corresponding Angles Postulate _____ is used to prove that two lines are parallel
  13. 20. Two _____ can be congruent, not equal
  14. 23. triangle in which all angles are equal in measure
  15. 24. an _____ angle of a triangle is the angle created by one of the sides and the subsequent extended side
  16. 26. (always/sometimes/never) a right triangle _____ contains two segments that have slopes that are opposite reciprocals
  17. 28. y=4 is a _____ line
  18. 30. acronym for Triangle Angle Sum Theorem
  19. 32. the measure of a triangle's exterior angle is equal to the sum of the measures of the _____ interior angles