Geometry

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Across
  1. 4. A six sided polygon with usually one set of parallel lines
  2. 5. A three sided polygon with no parallel or perpendicular sides
  3. 6. When two straight right angles meet at a corner
  4. 7. When two lines will go on forever without intersecting
  5. 8. A eight sided polygon with usually more then one set of parallel lines
Down
  1. 1. A four sided polygon with usually one or two sets of parallel lines
  2. 2. The study of shapes, lines, and angles
  3. 3. When two lines are exact in size and style
  4. 6. A two dimensional shape with three or more sides
  5. 7. A five sided polygon