The interior angles of a polygon are in A.P. The smallest angle is $120^{\circ}$ and the common difference is $5^{\circ}$. Find the number of sides of the polygon. - Math Practice Question | divineJEE

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The interior angles of a polygon are in A.P. The smallest angle is $120^{\circ}$ and the common difference is $5^{\circ}$. Find the number of sides of the polygon.

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