Chapter 5 Vocab

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