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

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Question

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

Sum

Solution

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

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Chapter 19: Representing 3-D in 2-D - Exercise 19 [Page 220]

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