Finding the area of a trapezoid a. Take actual measurement of plots and fields around the school shop or farm and determine individual and total acreage. Determine how much sheet metal was used in constructing a barrel, feed bin, etc. Calculate the amount of paint required to paint the inside and outside of the silo in the example above. A cubic measure is a system of measurement of volume or capacity of an object expressed in cubic units.
Linear measure adds only one dimension to find total distance.
Square measure multiplies two dimensions to find area of a surface. When determining the volume of an object, all measurements must be expressed in the same units of measurement. Finding the volume of rectangular solids and cubes. The volume of a triangular prism is equal to the area of the triangle times the length of the prism. The volume of a trapezoidal prism is equal to the area of the trapezoid times the length of the prism.