Volume, SM-Bank 067 A triangular prism has a volume of 680 cubic centimetres and a height of 5 centimetres. What is the cross-sectional area? (2 marks) --- 4 WORK AREA LINES (style=lined) --- Show Answers Only \(136\ \text{m}^2\) Show Worked Solution \(V\) \(=Ah\) \(680\) \(=A\times 5\) \(A\) \(=\dfrac{680}{5}\) \(=136\) \(\therefore\ \text{The cross-sectional area is }136\ \text{m}^2.\)