![]() ![]() This will be an important distinction when they transition to calculating volume in later units. It is important to differentiate between the lateral height (which is the height of the triangular face) and the height of the pyramid. Pyramids have one base and the lateral faces all come to one point, the vertex. The pyramid is named by the shape of the base – so triangular prisms have a triangle base while rectangular pyramids have a square or rectangle as a base. Pyramids are included in 7th grade TEKS and 7th grade CCSS.Ī pyramid is composed of a base and triangular faces. This is a great time to rapidly cold call students to ask what each variable represents. Write the numbers out in an equation and show your work as you solve, so if something goes wrong you can track where you made your mistake.You will need to repeat the phrases, “perimeter of the base,” “area of the base” and “height of the prism” until you lose your voice.You can just view the PDF online and write down your work.For the last one, the B is the area of the triangular base and the units should be squared (cm² instead of cm). Some helpful hints: for number 4, the height is 4 and the base is 9. Volume = 1/2 (base)(height of triangle) x height of prism.Volume (of a triangular prism) = base x height (triangular base of the prism times its height).Here’s a video for find the volume of a triangular prism if you like.The volume of a triangular prism is found in the same way, but by finding the area of the triangle and then multiplying by the height. ![]()
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