A regular triangular prism is a geometric figure whose base is an equilateral triangle.
Triangular prism surface area formula where a is the side of the base, h is the height of the prism

A regular quadrangular prism is a geometric figure whose base is a square.
Formula for the surface area of a quadrangular prism where a is the side of the base, h is the height of the prism

A regular hexagonal prism is a geometric figure whose base is a regular hexagon.
Hexagonal prism surface area formula where a is the side of the base, h is the height of the prism