Question

What set of reflections and rotations would carry rectangle ABCD onto itself?

Answer 1

http://learnft.flvs.net/webdav/assessment_images/educator_geometry_v16/0203_g1_q3.gif

Answer 2

Rotate 180°, reflect over the x-axis, reflect over the line y=x
Reflect over the y-axis, reflect over the x-axis, rotate 180°
Rotate 180°, reflect over the y-axis, reflect over the line y=x
Reflect over the x-axis, rotate 180°, reflect over the x-axis

Answer 3

help?