if a polyhedron has 15 edges and 9 vertices how many face will it have? ​

Question

if a polyhedron has 15 edges and 9 vertices how many face will it have?
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Khoii Minh 3 years 2021-08-22T16:59:25+00:00 1 Answers 11 views 0

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  1. Helga
    0
    2021-08-22T17:01:12+00:00
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    Answer:

    8

    Step-by-step explanation:

    E = 15, V = 9, F =?

    By Euler’s rule, we have:

    F + V – E = 2

    F + 9 – 15 = 2

    F – 6 = 2

    F = 6 + 2

    F = 8

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