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Networks, SMB-008

A planar graph has five vertices and six faces.

Calculate the number of edges in the graph.   (2 marks)

--- 4 WORK AREA LINES (style=lined) ---

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`9`

Show Worked Solution
`v + f` `= e + 2`
`5 + 6` `= e + 2`
`:. e` `= 9`

Filed Under: Basic Concepts Tagged With: num-title-ct-path, smc-4788-50-Euler's formula

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