Rectangle PQRS with vertices P(-6, 9), Q(3, 6), R(0, -9), and S(-9, -6): a) dilated by a scale factor of 1/3 with the origin as the center of dilation

b) reflection in the line y = -x

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle