Question: 5. Consider a planar graph with 2n vertices which has two faces that are n-gons, and g faces are triangles. How many edges does this

5. Consider a planar graph with 2n vertices which has two

5. Consider a planar graph with 2n vertices which has two faces that are n-gons, and g faces are triangles. How many edges does this graph have? 6. Consider a planar graph whose faces are triangles and fivegons, such that each edges separates a trinngle and a fivegon, and each wertex is adjacent to two triangles two fivegons. How many triangles does this graph have

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