In the given figure, the side BC of a ABC is produced on both sides.

1.
In the given figure, the side BC of a ABC is produced on both sides. Then 1 + 2 is equal to :

A. A + 180

B. 180 A

C. A + 90

D. None of these

Answer» B. 180 A

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In the given figure, the side BC of a ABC is produced on both sides. Then 1 + 2 is equal to :

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1.	In the given figure, the side BC of a ABC is produced on both sides. Then 1 + 2 is equal to :
A.	A + 180
B.	180 A
C.	A + 90
D.	None of these
Answer» B. 180 A