Question

one outer angle of a regular polygon is 18 degree.what is the sum of all outer angles.​

Answer 1

Answer:

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Step-by-step explanation:

Its interior angle is 180° - 18° = 162°.

The total measure of its angles is 162*18 = 2,916°.

Each exterior angle of a regular polygon = 20°.

So the polygon has

360/20 = 18 sides.

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