For the second one: </span> T<span><span>he volume of the triangular prism is: 42cm </span>The surface area of the triangular prism is: 96cm</span> ---------------------------------------------------------------------------
As for explaining how to find the volume of triangular prisms, use your G00GLE search engine and type "find the volume of triangular prism".
Enter in the data/numbers and it will calculate the answer along with step by step instructions on how it got the answer.