Wire Cube riddle

Say you have some bendable wires (any number, any length). What is the minimum number of solder connections needed to make a cube? Prove it. Also, what is the minimum number of wires necessary? Prove it.

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SherlockHolmes Expert Asked on 17th November 2018 in Math Puzzles.
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  • 1 Answer(s)

    There are 8 corners. Every corner is a join of 3 wires. Two of those can formed by bending a wire but the third one must be soldered.
    So there need to be 8 solder connections.

    To form the cube you need 4 wires. (No prove)

    CugelTheWise Expert Answered on 19th November 2018.
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