In triangle ABC, if AB=BC and ∠B = 70°, ∠A will be:A110°B65°C55°D115°Answer: C. 55° Read Explanation: Given, AB = BC Hence, ∠A=∠C And ∠B = 70° By angle sum property of triangle we know: ∠A+∠B+∠C = 180° 2∠A+∠B=180° 2∠A = 180-∠B = 180-70 = 110° ∠A = 55°Read more in App