but can you see that all these shapes have 4 sides and 4 corners? Count the number of sides and corners on each of the shapes. Shape A, B and D all have 4 sides and 4 corner. Shape C is a triangle.

This polytope is actually a truncated octahedron, a shape with 14 sides (six squares and eight ... a peanian continuum containing only a finite number of simple closed curves is homeomorphic ...