Chapter 5 Vocab

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