How do the measures of the side lengths of AABCcompare with those of AA'B'C' when AA'B'C' coincides with the other three triangles?
What can you say about the preservation of the side lengths of a shape during a rotation?

How do the measures of the side lengths of AABCcompare with those of AABC when AABC coincides with the other three triangles What can you say about the preserv class=