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Any solid object with six faces is a hexahedron.

A regular hexahedron (with 12 edges) is a cube where all the faces are squares

An irregular hexahedron (with 12 edges) is a cuboid where two faces are equal squares and four are equal rectangles.

Q: What solid figure has 6 faces not all the same size and 12 edges?

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A dodecahedron. A dodecahedron is any polyhedron with twelve faces, but usually a regular dodecahedron is meant. It is a Platonic solid composed of twelve regular pentagonal faces, with three meeting at each vertex. It has twenty (20) vertexes and thirty (30) edges. The dodecahedron would be the Platonic solid with the largest volume if all were made with edges of the same length.

A cube has 12 edges as does an octahedron and those are the two platonic solids (convex polyhedra with congruent regular polygons as faces where the same number of faces meet at each vertice) with 12 edges.

cube and cuboid

1 corner,0 vertices and 0 edges * * * * * A vertex is the same as a corner, so a cone has 1 vertex. It has two faces: one circular and one curved. It has one edge where the two faces meet.

Rectangular prism Cube

Related questions

The solid figure that has the same number of faces and vertices and has 8 edges is a cube. A cube has 6 faces, 8 vertices, and 12 edges, so it fits the description given.

A cuboid, a parallelepiped.

A rectangular dipyramid.

A cube and a rectangular prism.

A cube is a three dimensional figure with all edges having the same length and all six sideshaving the same area. The length of a cube is the length of any edge of the cube; all edges having thesame length.

because if you have the same it would be the same shape.

A rhombohedron, a parallelepiped are two.

PYRAMID

It is a cube

A (genus-0) polyhedron must satisfy Euler's formula: V + F - E = 2. Setting V, E, F equal to the same value, say, X, we get X + X - X = 2 X = 2. A solid with two edges, vertices and faces is called a "digonal hosohedron", but it is not usually considered a three-dimensional figure, in euclidean space.

An irregular polyhedron is a solid shape in which either all edges are not the same length, or all faces are not congruent polygons or all [solid] angles are not of the same measure.

Sides and faces are the same thing. There are 6 of them. There are 12 edges.