Geometry Vocabulary Reinforce

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Across
  1. 2. is a solid with a polygon base. It has triangular faces which come from its base to meet at a point called the apex.
  2. 4. is a rectangular prism whose edges are all the same length.
  3. 6. polygon with nine sides.
  4. 7. is a closed figure which has only straight-line sides and which does not cross itself.
  5. 8. polygon with four sides.
  6. 10. is a closed curve.
  7. 13. triangle they have 2 equal sides.
  8. 14. polygon is a polygon with all sides the same length and all angles the same size.
  9. 17. has 2 pairs of parallel sides.
  10. 18. polygon with four sides.
  11. 19. polygon with five sides.
  12. 21. triangle has 3 equal sides.
  13. 24. polygon with six sides.
  14. 27. of a solid is the shape of a slice through it.
  15. 29. has 1 pair of parallel sides.
  16. 30. is a ball-shaped solid.
Down
  1. 1. has 2 pairs of adjacent equal sides.
  2. 3. is a parallelogram with right angled corners.
  3. 5. triangle which sides are different lengths.
  4. 9. is a solid with a uniform cross-section that is a circle.
  5. 11. are objects which occupy space.
  6. 12. polygon with ten sides.
  7. 15. polygon with eight sides.
  8. 16. polygon has sides that are not equal to each other and angles that not equal to each other.
  9. 17. A polygon must lie in a flat surface. We call this surface a _______.
  10. 20. polygon with three sides.
  11. 22. is a parallelogram with all four sides equal in length.
  12. 23. polygon with seven sides.
  13. 25. has four equal angles and four equal sides.
  14. 26. a 3D shape with the same cross-section all the way along its length.
  15. 28. is a solid with a circular base and a curve surface from the base to the apex.