Degree of a Region?

what is the definition of a degree of a region?

6Comments
rachapalli vinay kumar @vinayrachapalli
26 Jan 2017 09:36 pm

r1+r2 must be equal to 10.

Saijyothsna @saijyothsna
26 Jan 2017 08:58 pm

No of edges surrounding that region  is degree

in this example 

degree of r1 = 4

degree of r2 = 6 

rachapalli vinay kumar @vinayrachapalli
26 Jan 2017 09:11 pm

there are only 5 edges, how r2 becomes 6.

Saijyothsna @saijyothsna
26 Jan 2017 09:28 pm

we will count BC two times 

 

rachapalli vinay kumar @vinayrachapalli
26 Jan 2017 09:37 pm

can you give the definition, or explain why we need to count two times

 

Shraddha @shraddhagami
26 Jan 2017 09:51 pm

@vinayrachapalli

Degree of regions=no. Of boundary edges touching it

And BC have two boundaries touching a region 2