A rectangular prism has 6 straight edges. The 2 sides are straight and the 4 corners are not. A rectangular prism is a 3-dimensional figure whose sides are all rectangles.

A hexagonal prism has 6 straight edges. The 2 sides are straight and the 4 corners are not. A hexagonal prism is a 3-dimensional figure whose sides are all hexagons.

A triangular prism has 6 straight edges. The 2 sides are straight and the 4 corners are not. A triangular prism is a 3-dimensional figure whose sides are all triangles.

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Last modified: October 4, 2022