Geometry crossword Euro Stanislas-Léo 2°7

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Across
  1. 5. A polyhedron with 120 faces
  2. 7. a 3D shape with two identical polygons at the top and bottom, connected by a band of triangles.
  3. 8. The distance from the center of a regular polygon to the middle of one of its sides.
  4. 10. The highest point of a pyramid or cone
  5. 11. A four-dimensional shape, like a 4D version of a cube
  6. 13. The point where the three heights (altitudes) of a triangle meet
  7. 14. The covering of a plane with shapes (such as polygons or polyhedra) without gaps or overlaps
  8. 16. A shape formed by extending a cone from a given base
Down
  1. 1. The radius of a circle that fits perfectly inside a polygon, touching all its sides
  2. 2. The shortest path between two points on a curved surface
  3. 3. The point where the three medians of a triangle intersect.
  4. 4. The shape you get by slicing the top off a cone or pyramid with a parallel cut
  5. 6. A polyhedron with 62 faces: 20 triangular, 30 square, and 12 pentagonal
  6. 9. A polyhedron with 120 triangular faces
  7. 12. A term used in geometry to describe points or objects that lie outside a given structure, like the exterior of a polyhedron
  8. 15. A figure formed by removing a smaller similar shape from a larger shape