Look at the diagram and choose the correct answer.
(A)
(B) AB is not parallel to CD
(C) x =
(D) Both (B) and (C)
(E) Both (A) and (C)
We can see that there are two angles in the diagram each of
and these are corresponding angles.
Therefore,
.
Because
,
x (Alternate interior angles are equal if lines are parallel)
x
Hence, the answer is (E).
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