An animation demonstrates how to find the volume of triangular prisms in this video from KCPT. In the accompanying classroom activity, students do two hands-on activities: they calculate the volume of an object in the shape of a triangular prism and design and construct a model of a roof in the shape of a triangular prism. To get the most from this lesson, students should be comfortable calculating the area of a triangle and finding the volume of a rectangular prism.

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