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ICSE-VIII-Mathematics

19: Representing 3-D in 2-D Class 8 Maths

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  • #1
    If a polyhedron has 8 faces and 8 vertices, find the number of edges in it.
    Ans : Faces = 8
    Vertices = 8
    using Eulers formula,
    F + V - E = 2
    ⇒ 8 + 8 - E = 2
    ⇒ -E = 2 - 16
    ⇒ E= 14