Page 86 - NUMINO Challenge_D1
P. 86
3 A cube is cut such that the shape of a section is a regular hexagon.
Find the sum of the numbers of edges in the two solid figures
obtained.
41
A regular octahedron is cut at the 3 point of each edge, starting from
each vertex. Find the numbers of faces, edges, and vertices of this solid
figure.
83Geometry
Find the sum of the numbers of edges in the two solid figures
obtained.
41
A regular octahedron is cut at the 3 point of each edge, starting from
each vertex. Find the numbers of faces, edges, and vertices of this solid
figure.
83Geometry
