ShapeWord Puzzle

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Across
  1. 1. a solid whose surface is generated by a line passing through a fixed point and a fixed plane curve not containing the point, consisting of two equal sections joined at a vertex.
  2. 3. A straight line extending from the center of a circle
  3. 7. Any particular extent of space or surface
  4. 8. angle A 90* angle
  5. 10. A triangle having 3 unequal sides and angles
  6. 12. The distance around a two-dimensional shape.
  7. 13. The amount of space occupied by a three-dimensional object
  8. 15. Greater than 90* but less than 180*
  9. 16. A shape with four sides that are equal in length and with four angles that are not always right angles
  10. 20. A three-dimensional shape that looks like a ball
  11. 21. A polygon having 8 angles and 4 sides
  12. 24. lines Lines that cross over
  13. 25. A polygon with 4 sides
  14. 26. The surface a solid object stands on, or the bottom line of a shape such as a triangle or rectangle.
  15. 27. A continuous extent of length
Down
  1. 1. The line segment between 2 points on a circle
  2. 2. area The total area of the surface of a three-dimensional object.
  3. 4. angle Less than 90*
  4. 5. The intersection point of 2 sides of a plane figure
  5. 6. A straight line passing through the center of a circle and meeting the circumference at each end
  6. 9. The surface generated by a straight line intersecting and moving along a closed plane curve, t
  7. 11. The length of a line that goes around something or that makes a circle or other round shape
  8. 12. A polygon having five angles and five sides.
  9. 14. A triangle with all sides and angles equal
  10. 17. A solid with many flat faces
  11. 18. To draw something inside something else
  12. 19. A solid with flat faces. Is also a polyhedron
  13. 22. A quadrilateral which has at least one pair of parallel sides
  14. 23. lines Line segments that never cross