they have brown and green edges
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It has 4 faces, 4 corners, and 4 edges, but two edges are different from each other. All the corners are right angles.
An octahedron is a closed 3-d shape with 8 polygonal faces. There are 257 topologically different convex octahedra. Octahedra can have 12 to 18 edges.
An octahedron is a closed 3-d shape with 8 polygonal faces. There are 257 topologically different convex octahedra. An octohedron can have 12 to 18 edges.
a sphere has no edges. a circle has no edges.
An octahedron is a closed 3-d shape with 8 polygonal faces. There are 257 topologically different convex octahedra. An octohedron can have 12 to 18 edges.