Question

the vertical angle of a triangle ABC is of 80 °.AB=AC then the value of angle c is​

Answer 1

Answer:

angle C=(180-80)/2=50

Answer 2

Answer:

AB=AC

∠B=∠C [Angles opposite to equal sides are equal]

In △ABC,

∠A+∠B+∠C=180°

100°+2∠B=180°

∠B=40°

Therefore,

∠B=∠C=40 °