Q. 305.0( 1 Vote )
In ΔABC, side BC A. 60°
B. 40°
C. 80°
D. 50°
Answer :
ACD + 
ACB = 180 (Linear pair of angles)
ACB = 60o
ABC = 40o
As we know that
ACB + 
ACB + 
BAC = 180o
BAC = 180 – 60 – 40
=80o
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