Respuesta :
Hello,
if you mean that [AB] is the base of the isosceles triangle ABC, then C is the main vertex angle.
if you mean that [AB] is the base of the isosceles triangle ABC, then C is the main vertex angle.
Solutions
As stated in the given question [AB] is the base of the isosceles triangle , Therefore C will be the main vertex angle.
As stated in the given question [AB] is the base of the isosceles triangle , Therefore C will be the main vertex angle.