count the number of faces,vertices,and edges of given polyhedra and verify Euler's formula
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Given : Figures
To Find : number of faces,vertices,and edges of given polyhedra and verify Euler's formula
Solution:
Euler formula for faces = Edges - Vertex + 2
=> F = E - V + 2
=> V + F = E + 2
Pyramid :
Vertex = 5
Faces = 5
Edges = 8
=> 5 + 5 = 8 + 2
=> 10 = 10
8 Faces
12 Vertex
Edges = 18
8 + 12 = 18 + 2
=> 20 = 20
3rd figure is not clear.
Faces = 7
Vertex = 10
Edges = 15
7 + 10 = 15 + 2
=> 17 = 17
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