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?
4 answers
Equilaterial: all sides equal.
http://www.mathsisfun.com/triangle.html
Thank you very much...
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Please, though, use the same name for all of your posts.
Please, though, use the same name for all of your posts.