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Mathematics, 30.07.2019 13:30 JAPONICA

What reflection, or composition of reflections, always produces the same image as a rotation 180 degrees about the origin? a a reflection over the x-axis followed by a reflection of that image over the x-axis. b a reflection over a line that bisects the figure. c a reflection over the x-axis followed by a reflection of that image over the y-axis. d a reflection over the line y = x.

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