Q1 of 32 Page 292

Count the number of faces , vertices , and edges of given polyhedra and verify Euler’s formula.

Here,

No. of Faces (F):8


No. of Vertices (V):12


No. of Edges (E):18


Euler’s formula: F + V = E + 2


⇒ 8 + 12 = 18 + 2


⇒ 20 = 20


∴ Euler’s formula satisfies for the shape.


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Count the number of faces , vertices , and edges of given polyhedra and verify Euler’s formula.