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The Bases for any 3-D Prism can be identified as the pair of opposite faces that are exactly the same size and shape (called "congruent" faces). Download the entire collection here to help visualize Surface Area (SA) and Volume (Vol).
Net 1: Cube (think of standard six-sided dice).
Net 2: Rectangular Base Prism (like a shoebox).
Net 3: Triangular Base Prism - equilateral base (like a wedge of cheese).
Net 4: Triangular Base Prism - right triangle base (like a ramp).
Net 5: Square Base Pyramid (all faces are triangles with all faces having congruent areas).
Net 6: Rectangular Base Pyramid (all faces are triangles with opposite faces having congruent areas).