Which of the following is not the the size of an exterior angle of a regular polygon?
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Correct Answer: Option D
Explanation:
The size of an exterior angle = \(\frac{360}{n}\)
From the options, all options can perfectly divide 360°, except 21°.
The size of an exterior angle = \(\frac{360}{n}\)
From the options, all options can perfectly divide 360°, except 21°.