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Mathematics, 25.03.2020 18:01 brooklyn4932

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Which transformation will always map a parallelogram onto itself?
A.
B.
C.
a 90° rotation about its center
a reflection across one of its diagonals
a 180° rotation about its center
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?
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