Respuesta :

PhillSwift

Answer:

Angle B / angle ABC = 70 degrees

Step-by-step explanation:

well angle B plus angle C will equal the outer angle

so if angle C is 35 and you have the outer angle just subtract and get

angle B to equal 70  

KurdishPotato

Answer:

70°

Step-by-step explanation:

the measure of an exterior angle is equal to the sum of two interior angles so 105° = ABC + 35

105 -35 = ABC

70° = ABC