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What is the smallest degree of rotation that will map a regular 18 gon on to itself
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What is the smallest degree of rotation that will map a regular 18 gon on to itself

User Jonas
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1 Answer

6 votes

Answer:

20°

Explanation:

Rotating the figure through an angle equal to the central angle of one "sector" will do the required mapping. That is 360°/18 = 20°.

User Astolfo
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