Edges of a polyhedron are 12.
What is polyhedron?
"Polyhedron is a three dimensional solid shape with a certain number of faces, edges and vertices.
If the number of faces and the vertex of a polyhedron are given, we can find the edges using the polyhedron formula. This formula is also known as ‘Euler’s formula’."
F + V = E + 2
Here,
F = Number of faces of the polyhedron
V = Number of vertices of the polyhedron
E = Number of edges of the polyhedron
Given
Number of Faces (F) = 7
Number of Vertices (V) = 7
For any polyhedron,
Euler's Formula:
F + V - E = 2
⇒ 7 + 7 - E = 2
⇒ 14 - E = 2
⇒ E = 14 - 2
⇒ E = 12
Number of Edges (E) = 12
Hence, Edges of a polyhedron are 12.
Learn more about polyhedron here
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