SA = 2B + Ph SA = 2(1/2ans) + nsh SA = 2(1/2a)(6)s + 6sh SA =6as + 6sh http://argyll.epsb.ca/jreed/math8/strand3/3208.htm
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The Surface area of a triangle = 0.5*base*height The volume of a prism = area of its cross-section*length
Find the area of each face and add them all up.
Find the area of each face separately and then add them together for the total surface area.
2*area of triangular faces + perimeter of triangle*length of prism (not prisim).