So to calculate the volume of trapezoidal footing we need to calculate the volume of a cuboid and a truncated pyramid. How to Find Volume of Trapezoidal Footing. A1 Area of the bottom surface of the pyramid.
Using the formula which is given at the start of GCSE exams.
The below formula is used to calculate the volume of the trapezoidal footing. Volume of Rectangular Cuboid length x Breadth x Height 3 x 2 x 03 18 m³. A2 Area of the top surface of the pyramid. The Trapezoidal Rule formula for n 6 subintervals is given as.