题目内容
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纠错
A regular octagon is inscribed inside a square. If the perimeter of the square is 400, then what is the perimeter of the regular octagon?
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A100( $$\sqrt{2}$$ - 1)
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B400( $$\sqrt{2}$$ - 1)
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C600( $$\sqrt{2}$$ - 1)
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D800( $$\sqrt{2}$$ - 1)
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E1000( $$\sqrt{2}$$ - 1)
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