you would have to add all the different areas of each side together to get the surface area. the formula though, would be side area times three, plus the base
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False, the prism can be of any length.
2*area of triangular faces + perimeter of triangle*length of prism (not prisim).
30cm
Whatever the net, the answer is the same area as that of the net.
For an irregular rectangular prism,the total surface area is BH + (s1 + s2 + s3)L whereB is the baseH the heightL the lengths1 s2 s3 the sidesFor a regular triangular prism,the total area is 3 BL + BH(The sides are 3 x base x length. The ends are 2 x 1/2 base x height.)first of all its not triangular prismits a prism whose base is a trianglelateral surface area = perimeter of the base (sum of sides of the triangular base) x height(length) of the prismtotal surface area = lateral surface area + 2 x area of basefor area of base use the formula{whole root over [s(s-a)(s-b)(s-c)]}where a, b, c are the sides of the base triangleand s = [(a+b+c)/2]