In a ΔABC, if AB = AC and BC is produced to D such that ∠ACD = 100°, then ∠A =(a) 20°(b) 40°(c) 60°(d) 80°

In a ΔABC, if AB = AC and BC is produced to D such that ∠ACD = 100�

1.	In a ΔABC, if AB = AC and BC is produced to D such that ∠ACD = 100°, then ∠A =(a) 20°(b) 40°(c) 60°(d) 80°
Answer» In a ΔABC, if AB = AC and BC is produced to D such that ∠ACD = 100°, then ∠A = (a) 20° (b) 40° (c) 60° (d) 80°