Question

Using Euler's formula find out the vertices and edges of a square pyramid
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Answer 1

Euler's polyhedron formula, V−E+F=2

V = number of vertices = 5

E = number of edges =?

F = number of faces = 5

Thus 5−E+5=2

⇒E=10−2

⇒E=8

Number of edges = 8

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