Respuesta :

bhadelsimron19

Answer:

n = 28 degree

Step-by-step explanation:

2n + 17 + 2n - 5 + 2n = 180 degree (sum of interior angles of a triangle)

6n +12 = 180

6n = 180 - 12

n = 168/6

n = 28 degree

lyndseyrobinson42
6n+12=180
180-12=168
168\6=28

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