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Un article trouvé pour ce sujet.
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A square and an equilateral triangle |
2008-02-10 |
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Emily pose la question :
A square pen and a pen shaped like an equilateral triangle have equal perimeters. Find the length of the sides of each pen if the sides of the triangular pen are fifteen less than twice a side of the square pen.
Stephen La Rocque lui répond. |
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