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21 August, 10:17

A solid has 12 faces and 18 edges how many vertices does it have

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  1. 21 August, 10:35
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    8 vertices

    Step-by-step explanation:

    Use Euler's Theorem: V-E+F=2

    F=12

    E=18

    Thus, we have:

    V-18+12=2

    V-18=-10

    V=8

    So there are 8 vertices
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