+1 vote
in Data Structures & Algorithms I by (88.2k points)
A connected planar graph having 6 vertices, 7 edges contains _____________ regions.

(a) 15

(b) 3

(c) 1

(d) 11

My question comes from Graph topic in portion Graph of Data Structures & Algorithms I

The question was posed to me in exam.

1 Answer

+1 vote
by (672k points)
selected by
Best answer
Correct option is (b) 3

The explanation is: By euler’s formula the relation between vertices(n), edges(q) and  regions(r) is given by n-q+r=2.

Related questions

Welcome to TalkJarvis QnA, a question-answer community website for the people by the people. On TalkJarvis QnA you can ask your doubts, curiosity, questions and whatever going in your mind either related to studies or others. Experts and people from different fields will answer.