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Problem 16 Difficulty 1.1 Multiple choice CEMC Fermat · Canada · 2016
A cube has 12 edges, as shown.
Pick one
A 6 6 6 B 12 12 12 C 8 8 8 D 4 4 4 E 10 10 10
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Official solution A square-based pyramid has 8 edges: 4 edges that form the square base and 1 edge that joins each of the four vertices of the square base to the top vertex.
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Source: CEMC, University of Waterloo ,
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