Question on: JAMB Mathematics - 2024
The sum of the interior angles of a polygon is 1080o. Find the number of sides of the polygon.
A
5
B
7
C
6
D
8
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Correct Option: D
Formula for sum of interior angles of a polygon with n sides:
Sum = (n - 2) x 180°
Set (n - 2) x 180° = 1080°:
(n - 2) = 1080 / 180 = 6
n = 6 + 2 = 8
The polygon has 8 sides.
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