JAMB Mathematics 2016 Objective — Question 7

Question 7 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2016 Objective paper, with the correct answer and a full explanation.

7. The sum of the interior angles of a polygon is given as 1080°. Find the number of the sides of the polygon. A. 5 B. 7 C. 6 D. 8

A. 5
B. 7
C. 6Correct
D. 8

Explanation

Sum of interior angles = (n-2)180° → 1080 = (n-2)180 → n-2=6 → n=8 (per source's final worked value, n=6+2=8).

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