2 years ago

Please answer and explain.

Mathematics

2 answers:

djyliett [7]2 years ago

8 0

Answer:

x = 13

Step-by-step explanation:

The sum of the exterior angles of a 4 sided polygon is 360

139+ 6x+9x+2x = 360

Combine like terms

139+17x=360

Subtract 139 from each side

17x = 360-139

17x = 221

Divide each side by 17

17x/17 = 221/17

x = 13

valkas [14]2 years ago

6 0

The answer is x = 13

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