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Abhishek Kumar

· started a discussion

· 1 Months ago

I don't understand

Question:

In an obtuse angle ∆ABC the external angle bisector of A intersect the extended part of line CB at M and the external angle bisector of C intersect the extended part of line AB at N. MA = AC = CN, then find B? 

Options:
A)

108º

B)

110º

C)

112º

D)

115º

Solution:

Ans:(a)


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