Vocabulary - Modules 16 - 21

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Across
  1. 6. angles that have a sum of 180 degrees
  2. 9. a pair of angles that create a line
  3. 12. a triangle with no equal sides
  4. 14. a theorem that states the sum of the interior angles of a triangle is 180 degrees
  5. 17. angles found on the same side of a transversal inside a pair of parallel lines
  6. 18. cuts a line segment or angle in half
  7. 19. part of a line with two endpoints
Down
  1. 1. points on the same line
  2. 2. a triangle with two equal sides
  3. 3. a triangle that is equilateral and equiangular
  4. 4. a triangle congruence theorem that can only be used with right triangles
  5. 5. two lines that intersect at right angles
  6. 7. angles found on opposite sides of a transversal inside a pair of parallel lines
  7. 8. two lines that never intersect
  8. 10. an angle that measures less than 90 degrees
  9. 11. a triangle with a right angle and two equal sides.
  10. 12. a congurence theorem for triangles that involves two sets of sides and the angle between them
  11. 13. a triangle congruence theorem that involves two sets of angles and a non-included side
  12. 15. angles that are formed by two intersecting lines
  13. 16. formed by two rays that have a common endpoint