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Mathematics
Mathematics
Problem
Quadrilateral
A
B
C
D
ABCD
A
B
C
D
has
A
B
∥
C
D
AB \parallel CD
A
B
∥
C
D
and no other measurements are known. Can you conclude that
A
B
C
D
ABCD
A
B
C
D
is a parallelogram? Give a brief reason for your answer.
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