Question

In a triangle ABC, if AB=BC and LB-70°, what would be the value of LC?​

Answer 1

Step-by-step explanation:

Since, AB = BC, therefore, ∠A=∠C

By angle sum property of triangle,

∠A+∠B+∠C=180°

2∠A+70°=180°

∠A=55°

Hence,∠A=∠C=55°