Question

ab=ac and angle b=50degree find A​

Answer 1

Answer:

65°

Step-by-step explanation:

Let the triangle be ∆ ABC,

Given,

AB = BC

B = 50°

Now we know that ∆ ABC is a isosceles triangle

Hence A = C.

Also Sum of angles of a triangle is 180°

=> A + B + C = 180

=> 2A = 130

=> A = 65°