How to Find the Surface Area of a Triangular Prism

Today your task is to find the surface area of triangular prisms. Remember that surface area is simply the area of each face of a shape, all added together. This is really easy for a triangular prism. First watch this video which explains how to find the surface area of a triangular prism:




Now let's practice using these worksheets (skip the questions about cylinders though):

If you finish both of these, please hand them into the teacher, and then try the surface area problems here at Khan Academy. Careful - some of them are hard!