   # The area of the small regular pentagon is A. The area of the big regular pentagon is B. What is A/B?

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The area of the small regular pentagon is A. The area of the big regular pentagon is B. What is A/B?  posted Mar 21, 2019

–1 vote

1/2*(7-(3*5^0.5)) ~ 0.15 answer Mar 21, 2019
why down vote, please bring reason?
If you want explanation of the answer it is in the next puzzle down

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