9. choose all pairs of points that are
reflections of each other across
both axes.
(-3.5, 1) and (33, -1)
(5.4, -2) and (4.5,2)
(-12,3) and (1.25, -3)
(23, 4) and (4,2)
(2.5,3.5) and (-23, 32)

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