Two of the exterior angles of an n-sided polygon are each 60°, ( /5)
and the remaining exterior angles are 240 each.
Calculate the value of n.
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Step-by-step explanation:
Sum of the interior angles of an n-sided polygon =(2n−4)×90
∴6x+114=(2×7−4)×90
or 6x=786 or x=131
o
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