Geometry

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Across
  1. 3. a parallelogram with all sides of equal length.
  2. 9. a rectangle with all sides of equal length.
  3. 10. sides of a quadrilateral that do not share a vertex.
  4. 12. a quadrilateral with at least one pair of parallel sides.
  5. 14. a polygon with four sides and four angles.
  6. 15. line segments that connect opposite vertices of a polygon.
Down
  1. 1. a trapezoid with congruent base angles and legs.
  2. 2. a line that divides a line segment into two equal parts and forms right angles with it.
  3. 4. a quadrilateral whose vertices all lie on the circumference of a circle.
  4. 5. a quadrilateral with two distinct pairs of adjacent sides that are congruent.
  5. 6. angles inside a polygon.
  6. 7. angles outside a polygon.
  7. 8. a parallelogram with four right angles.
  8. 11. angles that share a common side and a common vertex.
  9. 13. a quadrilateral with opposite sides that are parallel and equal in length.