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NEED HELP PLEASE!!!!!

NEED HELP PLEASE!!!!!-example-1
User Nids
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1 Answer

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Answer:

Below

Explanation:

Sum of external angles of a polygon always sum to 36

(5x + 4x+ 9x + 4x+ 7x) + (4+9-6+1+4) = 360

29x + 12 = 360

x = 12

User Scott Law
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