MATHEMATICS
JAMB 2007 - Question 48
Mathematics 2007 JAMB Past Questions - Question 48: Find the size of each exterior angle of a regular octagon.
A:
B:
C:
D:
Correct Answer
B
Explanation
Each exterior angle e = 360 /n, where n = 8 (for octagon)therefore e = 360b/8 = 45A regular octagon has 8 sides, and the sum of the exterior angles of any polygon is always 360 degrees.To find the size of each exterior angle of a regular octagon, we divide the total sum of the exterior angles (360 degrees) by the number of sides (8):360 degrees / 8 = 45 degreesTherefore, each exterior angle of a regular octagon measures 45 degrees.
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