Then put the above values in the formula, (b1+b2)h/2 to find the trapezoid base area. Step 4: Identify b1 and b2 (lengths of the bases) of the trapezoid and h (height) of the trapezoid.Step 3: Add the respective values in the formula, (a+b+c+d) × H or PH, and you will get the lateral surface area of the hexagonal prism.Step 1: Check for the four sides of the trapezium - a, b, c, and d and add them to find the perimeter P.To calculate the total surface area of the prism, follow the steps given below: Thus, the lateral surface area of the trapezoidal prism is (a+b+c+d) × H How to Calculate the Total Surface Area of a Trapezoidal Prism? Since it has a lateral surface as well which is calculated as the sum of the areas of its lateral faces. What is the Formula to Calculate the Surface Area of Trapezoidal Prism?Īs the total surface area of a trapezoidal prism is the sum of the areas of its lateral faces and its two bases, thus, the formula to calculate the total surface area of the trapezoidal prism is (b1+b2)h + PH. The unit of the surface area of a trapezoidal prism is given in cm 2, m 2, ft, or cubits 2. As a trapezoidal prism has a curved surface as well, thus we can express its curved surface area as well as total surface area. The surface area of a trapezoidal prism refers to the amount of area occupied by the surface of a trapezoidal prism. Listed below are a few interesting topics related to the surface area of trapezoidal prism, take a look:įAQs on Trapezoidal Prism What is the Surface Area of a Trapezoidal Prism? The perimeter of the base is the sum of the lengths of the sides. Solution: Using the Pythagoras theorem, the slant height or the non-parallel side = √(16+1) = √17 = 4.123 ft
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