Surface Area of a Pyramid

You can cut and unfold the surface of a pyramid into these shapes.

You can cut and unfold the surface of a pyramid into these shapes.

Every pyramid has ______ polygonal base.

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We can rearrange the lateral triangles to form the quadrilateral below:

We can rearrange the lateral triangles to form the quadrilateral below:

When rearranged, the lateral area appears to be the shape of a large ___________, with HALF of the pyramid's ___________ serving as the parallelogram's base and the pyramid's ___________ serving as the parallelogram's height.

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Given your answers from above, what formula(s) can be used to compute the TOTAL surface area of any pyramid? Hint: There could be more than one correct answer!

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