fueled bright space com a Vicenhanced SequenceViewer/170105410 = 204 Qui Composite Figures What is the area of this polygon? Enter your answer in the box units

What is the missing step in this proof ?

When you answer this can you explain

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x