Math

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A store's sign is the shape of an equilateral triangle. One side measures 21 inches. What is the length of each of the other two sides?

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    Equilaterial: all sides equal.

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    http://www.mathsisfun.com/triangle.html

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    Thank you very much...

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    You're welcome.

    Please, though, use the same name for all of your posts.

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