Geometric shapes

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Across
  1. 2. a parallelogram having congruent sides
  2. 5. a simple, closed figure having line segments as sides
  3. 7. lines two lines in the same plane that intersect at right angles
  4. 8. a quadrilateral whose opposite sides are parallel
  5. 9. a five-sided polygon
Down
  1. 1. a four sided polygon(shape)
  2. 3. an eight-sided polygon
  3. 4. lines lines in the same plane which do not intersect
  4. 6. a parallelogram having four right angles