What is the formula for the surface area of a hexagonal prism?
Assuming a regular hexagon....
The area of a hexagon can be found by looking at it as two trapezoids
The formula for the area of a trapeziod is , therefore the formula for the area of a hexagon is obtainable by doubling this area.
next look at the net of the shape
From this we can get the formula of the prism as , but this only works if all sides of the hexagon are equal
A parallelogram of height and with a base of length has area .
Now, a hexagonal prism consists of six parallelograms and two hexagonal bases. If the base is regular, then the surface area would be
where is the length of one side of the base and is the height of the prism. For non-regular bases, you will have to alter the formula.