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Mathematics 2
Mathematics 2 Deneme Sınavı
Mathematics 2 Deneme Sınavı Sorusu #487071
Mathematics 2 Deneme Sınavı Sorusu #487071
Plane diagram of a connected planar graph has 5 vertices and 4 regions. What is the number of edges of the graph?
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5 |
|
6 |
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7 |
|
8 |
|
9 |
Yanıt Açıklaması:
We know by Euler’s theorem on planar graphs that the number of edges is equal to m = f + (n -2). Hence, the number of edges is 5+ (4 – 2) = 7. Answer is C.
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