find the sides of polygon whose exterior and interior angles are in the ratio 1:5 explain briefly as you can 50 points
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The sum of the interior and external angles of two sides must be 180 deg.
1/6 of 180 = 30
So the ratio of the angles must be 150 / 30
Since 30 can't be an interior angle it must be an exterior angle.
The exterior angles of a polygon must sum to 360
Thus the polygon must have 360 / 30 = 12 sides.
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