The sum of interior angles of a 7 sided polygon is -
650°
720°
680°
900°
Sum of interior angles of a n- sided polygon = (n-2)180∘
n = 7
∴ Sum of the interior angles = 900∘
The sum of interior angles of a polygon with 12 sides is___
Find the angle sum of all interior angles of a regular polygon which has 7 sides.