Question

in the following figure, if AB =AC then measure of A is:​

Answer 1

Answer: Option(c) 60°

Step-by-step explanation: ∡B=180°-120°=60°

Since AB=AC, ∡B=∡C=60°

∡A+∡B+∡C=180°

∡A=180°-2(60°)=180°-120°=60°