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Discussion Forum

Que. A connected planar graph having 6 vertices, 7 edges contains _____________ regions.
a. 15
b. 3
c. 1
d. 11
Answer:3
haripriya :(August 03, 2019) how regions is 3 ?
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SWEETY :(July 06, 2020) By Euler's formulae
n-q+r=2
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