Geometry Vocabulary

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Across
  1. 4. a part of a line that starts at one endpoint and extends forever
  2. 5. a quadrilateral with 4 right angles; opposite sides are parallel and congruent
  3. 6. part of a line between endpoints
  4. 7. lines that intersect to form right angles
  5. 10. a four-sided polygon with 4 sides and 4 angles, 360 degrees
  6. 12. a quadrilateral with 2 pairs of parallel sides, opposite sides and angles are congruent
  7. 14. a closed plane figure formed by 3 or more segments that intersect only at their endpoints
  8. 15. a straight line that extends without end in opposite directions
Down
  1. 1. a quadrilateral with 4 congruent sides and 4 right angles
  2. 2. lines that cross at exactly one point
  3. 3. an exact location in space
  4. 7. lines in a plane that do not intersect
  5. 8. a polygon with congruent sides and angles
  6. 9. a flat surface that extends forever
  7. 11. a quadrilateral with exactly one pair of parallel sides
  8. 13. a quadrilateral with 4 congruent sides; opposite angles congruent