What is the volume of this prism? Start by finding the area of the base of the prism. Solve on paper, and then enter your answer on Zearn. You can use the Zearn calculator to help with your calculations. 3D shape with pentagonal base composed of a rectangle with side lengths 4 cm by 6 cm, and a triangle atop the 6 cm length of the rectangle. The triangle is labeled with height 4 cm, and a side length of 3 cm connects the two bases. Area of the base, BHeight of the prism, hVolume, V = B · h cm 2 ? cm? cm 3