Question

if AB equals to AC and ACB is equal to 120 find angle A​

Answer 1

it is not possible to find angle A because AB equal to AC and angle ACB is equal to 120 degree therefore angle abc is equal to 120 degree which is 120 + 120 is equals to 40 and the sum of the triangle is 180 degree and Angle 1 and be not find or angle is 0 degree