JAMB - Mathematics (1988 - No. 19)
For which of the following exterior angles is a regular polygon possible? i. 35° ii. 18° iii. 15°
i and ii
ii only
ii and iii
iii only
Explanation
for a regular polygon to be possible, it must have all sides angles equal. \(\frac{360}{18}\) = 20 sides and \(\frac{360}{15}\) = 24 sides
(ii) and (iii) are right
(ii) and (iii) are right
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