Lesson 3 Quiz: Learn the Lingo

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Across
  1. 2. A closed plane figure made up of several line segments that are joined together.
  2. 4. A triangle that contains a right angle.
  3. 5. A line segment connecting two nonadjacent vertices in a polygon.
  4. 6. A polygon with four sides.
  5. 7. Two angles that are in opposite locations when lines are cut by a transversal.
  6. 8. a diagonal that divides a line into two congruent parts.
  7. 12. Two angles are supplementary if their sum is 180o.
  8. 17. Angles within a polygon formed by the intersection of two sides.
  9. 20. A triangle with an obtuse angle.
  10. 23. A triangle with at least two equal sides.
  11. 24. an angle measuring more than 0 and less than 90 degrees
Down
  1. 1. A pair of angles that is formed by intersecting lines.
  2. 3. A triangle that has three equal sides.
  3. 9. Two angles whose sum is 90o.
  4. 10. Angles that have the same relative positions.
  5. 11. An angle whose measure is between 180o and 360o.
  6. 12. A triangle with three unequal sides.
  7. 13. A five-sided polygon.
  8. 14. A line that intersects two other lines.
  9. 15. angles that are directly beside one another
  10. 16. An angle whose measure is greater than 90o.
  11. 18. The angle outside a polygon formed by extending one of its sides.
  12. 19. all interior angles are less than 90 degrees in this triangle
  13. 21. A polygon that has six angles and six sides.
  14. 22. A polygon with 8 sides.