olivia361423 olivia361423

12-10-2021
Mathematics

contestada

help help pls!!!!!!!!!!!!!

help help pls class=

Respuesta :

moelamarre moelamarre

13-10-2021

Answer:D

Step-by-step explanation:the exterior angle of a triangle is equal to the sun of the opposite interior angles

120 =11x-6+10x

21x= 126

x=6

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