Find the sides of the quad if each side is 6 cm less than the perimeter.

Let’s denote the perimeter of the quadrangle by P. It is known that each side is equal to P-6, that is, equal to the same number. Hence, all sides of the quadrilateral are equal. Let’s designate one of the sides as a, then the perimeter will be 4 a. By condition, a = 4 a-6, whence 3 a = 6, a = 2. Hence, all sides of the quadrilateral are equal to 2.



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