The sum of the interior angles of a polygon is a given as 1080o. Find the number of the sides of the polygon.

Assessment: JAMB UTME - Mathematics - 2016 Subject: General Mathematics

Question 1 Report

The sum of the interior angles of a polygon is a given as 1080o. Find the number of the sides of the polygon.
Answer Details
The sum of the interior angles of a polygon is given by the formula (n-2)180, where n is the number of sides of the polygon. Setting this formula equal to 1080, we get (n-2)180 = 1080. Simplifying this equation, we get n-2 = 6, and therefore n = 8. Hence, the polygon has 8 sides. Therefore, the answer is 8.
Read lesson note on Triangles And Polygons (WAEC)
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