Edges 4 Faces 5 Vertices
Enter 2 of the 3 below
A planar graph has:
4 faces and 5 vertices.
Calculate the number of edges using
Eulers Formula for Planar Geometry
Draw a planar graph
without any edge intersections
with v vertices, e edges and f faces
v - e + f = 2.
Rearranging Eulers Formula
e = v + f - 2
e = 5 + 4 - 2
e = 9 - 2
e = 7
How does the Eulers Formula for Planar Geometry Calculator work?
This calculator solves for any one of the 3 following items using Eulers Formula for planar geometry:
* Vertices (v)
* Faces (f)
* Edges (e)
This calculator has 3 inputs.
What 1 formula is used for the Eulers Formula for Planar Geometry Calculator?
- v - e + f = 2
where v = vertices, e = edges, and v = faces
For more math formulas, check out our Formula Dossier
What 4 concepts are covered in the Eulers Formula for Planar Geometry Calculator?
- Famous mathematician who developed Euler's constant
- eulers formula for planar geometry
- Multiple vertexes
Example calculations for the Eulers Formula for Planar Geometry Calculator
Eulers Formula for Planar Geometry Calculator Video
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