mimi3350
mimi3350 mimi3350
  • 18-12-2020
  • Mathematics
contestada

I needdddd helppppppppp

I needdddd helppppppppp class=

Respuesta :

s1m1
s1m1 s1m1
  • 18-12-2020

Answer:

B

Step-by-step explanation:

sum of angles in a triangle is 180

6n +1 +108+9n-4=180

15n = 180 -105

15n = 75

n= 75/15 = 5

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