An oblique prism is a prism whose lateral edges are not perpendicular to the base.
Height is the perpendicular distance between the two base planes.
Lateral surface area
$$S_{l}=P\times s$$
where,
Sl— lateral surface area;
P— perimeter of the base;
s— slant height of a lateral face.
Total surface area
$$S_{t}=S_{l}+2S_{b}$$
where,
St— total surface area;
Sl— lateral surface area;
Sb— base area.
Volume
$$V=S_{b}\times H$$
where,
V— volume;
Sb— base area;
H— prism height.