Geometry

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Across
  1. 1. A solid or hollow object that tapers from a circular or roughly circular base to a point
  2. 4. A symmetrical three-dimensional shape, either solid or hollow, contained by six equal squares
  3. 5. Opposite sides are parallel and congruent
  4. 6. A four-sided plane rectilinear figure with opposite sides parallel
  5. 8. A plane figure with three straight sides and three angles
  6. 9. A 4-sided regular polygon with all sides equal
Down
  1. 1. A plane figure whose boundary consists of points equidistant from a fixed center
  2. 2. A quadrilateral with two distinct pairs of equal adjacent sides
  3. 3. A 4-sided figure with one parallel side bigger than other
  4. 7. A parallelogram with opposite equal acute and obtuse angles and four equal sides