The 180 degree acts like both a horizontal (y axis) and vertical (x axis) reflection in one action.Precisely. Although they appear similar at first,rotating a figure 180 degrees swaps the image left-to-right and top-to-bottom at once.
The answer to the ratio portion is comparison.
Part to is part to part, part to whole and whole to part.
I don’t understand what the graph is representing, but I believe the answers are
A/b, a:b and a to b
