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In the diagram below, lines k and intersect lines
m and n at points A, B, C, and D

Which statement is sufficient to prove ABCD is a
parallelogram?

1) Angles 1 and 3
2)angles 4 and 7
3)angles 2 and 5, angles 5 and 7
4) angles 1 and 3, angles 3 and 4

In the diagram below lines k and intersect lines m and n at points A B C and D Which statement is sufficient to prove ABCD is a parallelogram 1 Angles 1 and 3 2 class=

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