FORMULABANK

$Volum=\frac{1}{3}\cdot B\cdot h$

Where B = base area and h = height
Note that the base can have many different shapes.

Surface area:
Find the area of each side of the pyramid and sum them up.

Be mindful of whether the base should be included in the surface area.

Pyramids do not necessarily have a triangular base; the base could be ten-sided—or another shape.