9514 1404 393
Answer:
A: ∠3 and ∠7
Explanation:
The way the angles are numbered on this diagram, corresponding angles differ in their number by 4. Angles 3 and 7 are corresponding. (7-3=4)
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Corresponding angles lie in the same direction from the point of intersection of the "parallel" lines and their transversal. Angles 3 and 7 are both above the intersection point, for example.