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Geometry Difficulty 1.2 Junior Find the answer Canada

In the diagram, $9$ edges of
the cube are visible.

How many edges of the cube are not visible?

Pick one

Solution

Every cube has $12$ edges, and so $12-9=3$ edges are not
visible.

Figure for this problem

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project.