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24 October, 16:44

A convex polyhedron has 10 faces and 11 vertices.

How many edges does it have?

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Answers (2)
  1. 24 October, 17:05
    0
    The polyhedron has 12 faces
  2. 24 October, 17:11
    0
    You literally just plug in your given values into Euler's characteristic and solve.

    V - E + F = 2

    11 - E + 10 = 2

    - E + 21 = 2

    21 = 2 + E

    19 + E

    Therefore it has 19 edges.
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