Chapter 5 Vocab

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Across
  1. 2. An eleven sided polygon
  2. 5. Two lines in a plane that cross each other to form a 90 degree angle
  3. 9. A point in the middle of a line
  4. 14. Two lines in a plane who will never cross each other
  5. 15. A polygon with all equal sides and angles
Down
  1. 1. A quadrilateral with at least one pair of parallel sides
  2. 3. A twelve sided polygon
  3. 4. Two angles that when added together equal 180 degrees
  4. 6. A type of triangle in which all sides are equal
  5. 7. A quadrilateral with two pairs of parallel sides
  6. 8. A type of triangle in which two sides are equal
  7. 10. A six sided polygon
  8. 11. Parallelogram whos angles all equal 90 degrees and whose sides are equal
  9. 12. A type of triangle in which no sides are equal
  10. 13. A line extending from one vertex of a triangle to form a 90 degree angle on the opposite side