JAMB - Mathematics (2016 - No. 7)
The sum of the interior angles of a polygon is a given as 1080o. Find the number of the sides of the polygon.
5
7
6
8
คำอธิบาย
\(\frac{(n - 2) 180}{180}\) = \(\frac{1080}{180}\)
(n - 2) = 6
n = 6 + 2 = 8
(n - 2) = 6
n = 6 + 2 = 8