Question 1100411
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Each of the interior {{{highlight(cross(angels))}}} angles of a regular polygon is 140 °calculate the sum of all the exterior {{{highlight(cross(angels))}}} angles. 
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The sum of all the exterior angles is 360° for any (convex) polygon.


The conditions &nbsp;"regular polygon", &nbsp;"140°"  &nbsp;are &nbsp;UNNECESSARY, &nbsp;EXCESSIVE &nbsp;and are not used in the solution.
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Also, &nbsp;memorize please: &nbsp;there are not &nbsp;"angels"&nbsp; in Geometry . . . 


There are &nbsp;<U>angles</U> &nbsp;instead . . .