Geometry

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Across
  1. 7. I am a polygon with four sides
  2. 8. I have three sides. Only two of these sides are congruent.
  3. 10. I am a closed 2D shape with straight edges.
Down
  1. 1. I have only one pair of parallel sides
  2. 2. I have four right angles and four congruent sides.
  3. 3. I am an exact location in space
  4. 4. I have four congruent sides and opposite angles are congruent.
  5. 5. I have two pairs of parallel and congruent sides. My opposite angles are congruent.
  6. 6. On one end I have an end point; on the other end I go on forever.
  7. 9. I am an endless straight path.