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A twelve pointed star is made by extending sides of a regular 12-sided polygon. What is the measure of the grey angle?

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A twelve pointed star is made by extending the sides of a regular 12-sided polygon (a dodecagon). What is the measure of the grey angle?

What is the measure of grey angle

posted Jan 20, 2017 by anonymous

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1 Answer

+1 vote

30 degrees because exterior angle of any regular polygon =360 divided by number of sides. So 360/12=30

answer Jan 20, 2017 by Kewal Panesar



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