Triangular Prism:
(Breadth x Height) + (3 x Length x Breadth)
By Austin from a Christian school in Belrose
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A triangler prism have 5 faces,9 edges and 6 vertices....
5
It is simply called its surface area.
The surface area of a prism = 2 × area of base + perimeter of base × H
Surface area is squared; volume is cubed.