A triangular prism is 19.7 centimeters long. It has a triangular face with a base of 19.2 centimeters. The volume of the prism is 2,817.888 cubic centimeters. What is the height of its triangular face?

Answer 1

volume = Base-area * length, so
(1/2 * 19.2 * h) * 19.7 = 2817.888
Now just solve for h