The diagram shows the net of a solid. Every face of the solid is a rectangle. Write down the mathematical name of this solid.
Question 1 Report
The diagram shows the net of a solid. Every face of the solid is a rectangle.
Write down the mathematical name of this solid.
Answer Details
A net is the flat shape that folds up to make a solid, so the faces on the net are exactly the faces of the finished solid. Every face here is a rectangle, and a closed solid whose faces are all rectangles has six of them, meeting three at each corner.
The solid is a cuboid. [B1]
A cuboid has \( 6 \) rectangular faces, \( 12 \) edges and \( 8 \) vertices, with opposite faces identical and parallel. A cube is the special case in which all six rectangles happen to be squares, so "cube" is only correct if the net shows squares. "Rectangle" on its own is not accepted here, because that names a flat two-dimensional shape rather than the solid; questions asking for the name of a solid want a three-dimensional name such as cuboid, prism, pyramid, cylinder or cone.
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