WAEC - Mathematics (2000 - No. 24)
Each side of a regular convex polygon subtends an angle of 30° at its center. Calculate each interior angle
75o
150o
160o
68o
解释
From the figure above
In △BOC, 2x + 30º = 180º
Therefore, x = \(\frac{180º - 30º}{2}\) = 75º