Задача id10370

Two sides of the wire frame, shaped like an equilateral triangle with a side of 1 m, are made of aluminum wire, and the third is made of copper wire of the same diameter. At what distance (in cm) from the middle of the copper wire is the center of gravity of the system? The density of copper is 3 times the density of aluminum. |/ 3 = 1.7.

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