Pyramids look complicated since they have the need of using the Pythagorean Theorem, special right triangles, or trigonometry to find the length of the slant height, the apothem, base side, or the radius. Explore and manipulate this interactive geometric applet for a full solution for Surface Area and Volume of a Pyramid highlighting these relationships, and the use of the Pythagorean Theorem. Play with the sliders for different values of "r", and "h".
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