Find the dimensions of a Norman window with maximum area if the total perimeter is 16 feet. The formula for the area of a trapezoid is. Here is a rectangular prism.
Area 12 a b h where a base 1 b base 2 and h vertical height.
In a trapezoid the parallel sides are referred to as the bases of the trapezoid and the other two sides are called the legs. Area b h where b base and h vertical height. Area of Squares and Rectangles To find the area of simple shapes like a square or the area of a rectangle you only need its width w w and length l l or base b b. In each of the three examples below we will use 314 in our calculations.