Geometry Part One

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Across
  1. 3. a quadrilateral with exactly one pair of parallel sides
  2. 4. a quadrilateral whose opposite sides are both parallel and equal in length and has four right angles
  3. 7. a four sided polygon
  4. 8. a three sided polygon
  5. 9. a quadrilateral whose sides are all the same length and has four right angles
  6. 10. formed when vertical and horizontal number line intersect at zero
  7. 12. the horizontal axis on a coordinate plane
Down
  1. 1. the distance around the outside of a shape
  2. 2. a quadrilateral whose opposite sides are both parallel and equal in length and does NOT have four right angles
  3. 5. the space covered by the shape
  4. 6. the vertical axis on a coordinate plane
  5. 11. the point where the x-axis and y-axis intersect (0,0)