In a regular nonagone, each angle is 140° . (True/False)
True
False
Sum of the interior angles of a convex polygon of n sides = (2n – 4)90°.
For nonagone, n = 9
So sum of angle is (2x9-4)90° = 14 x 90° = 1260°
Each angle = 1260°/9 = 140°
So the statement is true