Students are given the length, width, and height of a right rectangular solid. They cut out six rectangles (three pairs), arrange them into a net, tape them, and fold them up to check the arrangement to ensure the net makes the solid. Triangular pieces are also used in constructing the nets of pyramids and triangular prisms.
When students construct the nets of rectangular prisms, if no two dimensions—length, width, or height—are equal, then no two adjacent rectangular faces are identical.
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