A rotation counterclockwise about point N until MN has the same slope as UN.
^transformation
congruence statement help
Triangle MNO maps onto triangle UNV. This is possible because ΔΜΝΟ = ΔUNV by __ and one congruent figure can be mapped onto another using __ motions.
options are SAS, ASA, SSS, AAS
and then rigid or non-rigid motions
