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Help. 

 Jun 28, 2018
 #1
avatar+102422 
+2

This is an (irregular)  pentagon

The sum of the interior angles is  (5 -2) * 180  = 3 * 180  = 540°

 

So...the measure  of the missing angle is

 

[ 540  - 86 - 140  -138  - 59 ]  =   117  =  x 

 

 

cool cool cool

 Jun 28, 2018

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