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Is to solve for x I need help

Is to solve for x I need help-example-1
User Shanina
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let's firstly notice, those are all the exterior angles of that polygon.

sum of all exterior angles in a polygon is always 360°.



\bf (9x-15)+(67)+(11x-5)+(4x+29)+(61)+(6x+13)=360 \\\\\\ 30x+150=360\implies 30x=210\implies x=\cfrac{210}{30}\implies x=7

User Barry Houdini
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