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If a Polyhedron Has 10 Faces and 8 Vertices, Find the Number of Edges in It. - Mathematics

Sum

If a polyhedron has 10 faces and 8 vertices, find the number of edges in it.

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Solution

Faces = 10
Vertices = 8
using Eulers formula,
F + V – E = 2
10 + 8 – E = 2
-E = 2 – 18
E= 16

Concept: Faces, Edges and Vertices
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 19 Representing 3-D in 2-D
Exercise 19 | Q 1 | Page 220
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