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प्रश्न
The number of sides in a regular polygon having measure of an exterior angle as 72° is ______.
उत्तर
The number of sides in a regular polygon having measure of an exterior angle as 72° is 5.
Explanation:
We know that, the sum of exterior angles of any polygon is 360°.
The number of sides in a regular polygon = `360^circ/"Exterior angle"`
∴ The number of sides in given polygon = `360^circ/72^circ` = 5
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