Mathematics, 10.10.2020 22:01 Marmama23

Which transformation will always map a parallelogram onto itself? OA
a 90° rotation about its center
OB.
a reflection across one of its diagonals
OC.
a 180° rotation about its center
O D.
a reflection across a line joining the midpoints of opposite sides

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Which transformation will always map a parallelogram onto itself? OA
a 90° rotation about its...