All About 3D Shapes

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Across
  1. 3. contains a polygon base, an apex, and with triangular lateral faces
  2. 4. another name for a triangular pyramid
  3. 5. the top and bottom faces are congruent (equal) polygons, and all other faces are rectangles
  4. 7. a three-dimensional round-shaped object
  5. 9. two identical circular faces joined by a curved surface
  6. 12. contains 8 sides, each a triangle
  7. 14. contains 20 sides, each a triangle
  8. 15. half of a sphere with one flat, circle face and a curved, dome top
  9. 16. a circular base and it narrows down to a sharp point called an apex.
Down
  1. 1. a real-life example of this shape is a donut
  2. 2. this type of prism has 15 edges
  3. 5. 3D shape that has flat faces, straight edges, and sharp vertices
  4. 6. this type of pyramid has 5 faces
  5. 8. solids whose faces are all identical, regular polygons
  6. 10. the surface of a 3D shape
  7. 11. the line segments where two or more faces meet
  8. 13. where 3 or more edges meet