Surface Area of a Trapezoidal Prism Calculator

A Trapezoidal Prism contains six faces. Among this six faces, four faces are rectangular and remaining two faces are trapezoidal. Sum of all these faces is the surface area of the Trapezoidal Prism. It can be found by providing the length of the prism, height of the trapezoid cross-sections, and the base and top lengths of the trapezoid. Find the surface area using this simple online Trapezoidal Prism calculator.

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A Trapezoidal Prism contains six faces. Among this six faces, four faces are rectangular and remaining two faces are trapezoidal. Sum of all these faces is the surface area of the Trapezoidal Prism. It can be found by providing the length of the prism, height of the trapezoid cross-sections, and the base and top lengths of the trapezoid. Find the surface area using this simple online Trapezoidal Prism calculator.

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Formula:

s=a*(l+h)+b*(l+h)+l*c+l*d Where, a ,b ,c, d = Sides of Trapezoid h = Altitude l = Height of Prism s = Surface Area of Trapezoidal Prism


Example

Find the surface area of an trapezoidal prism with the sides of 6cm, 5cm, 7cm and 8 cm, the altitude of the base is 4 cm and height of the prism is 9 cm.

s = a*(l+h)+b*(l+h)+l*c+l*d
s = 6*(13)+5*(13)+9*7+9*8
     = 78+65+63+72
     =278 cm square
Therefore, the SA is 278 cm2


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