## [Solved] A connected planar graph having 6 vertices, 7 edges contains _____________ regions.

A connected planar graph having 6 vertices, 7 edges contains _____________ regions. a) 15b) 3c) 1d) 11 Answer: bExplanation: By euler’s formula the relation between vertices(n), edges(q) and regions(r) is given by n-q+r=2.