Respuesta :

juraijsaeed

Answer:

base of the triangle is 50  by subtrating 130 from 180

180-130 =50

Answer:

25°

Step-by-step explanation:

Since AB = AC then the triangle is isosceles.

Thus the 2 base angles are congruent, that is

base angle = [tex]\frac{180-130}{2}[/tex] = [tex]\frac{50}{2}[/tex] = 25°

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