Quadrilateral CrossWord Puzzle

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Across
  1. 1. is a plane figure made up of line segments connected to form a closed polygonal chain.
  2. 3. is necessarily a convex quadrilateral in Euclidean geometry.
  3. 5. a polygon having four sides, four angles, and four vertices.
  4. 6. is a point where two or more curves, lines, or edges meet.
  5. 7. is a quadrilateral with both pairs of opposite sides parallel and all sides the same length, i.e., an equilateral parallelogram.
  6. 8. in geometry, any curve produced by the intersection of a plane and a right circular cone.
  7. 10. having many parts or side
  8. 11. can be defined as a closed two-dimensional polygon with six sides.
  9. 12. is a simple (non-self-intersecting) quadrilateral with two pairs of parallel sides.
  10. 14. is a closed, 2-dimensional shape with 3 sides, 3 angles, and 3 vertices.
  11. 15. are closed shapes, or polygons, that have four straight sides and four angles.
Down
  1. 2. of or relating to art based on simple geometric shapes (such as straight lines, circles, or squares) geometric abstractions.
  2. 4. is a closed 2-D shape, having 4 sides, 4 corners, and 4 right angles (90°).
  3. 9. is a geometrical shape, which has five sides and five angles
  4. 13. is a plane curve surrounding two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant.