In the figure shown, lines f and g are parallel. Select all angles that are congruent to angle 1.

[tex]\\ \sf\longmapsto <1\sim <4(Opposite\:angles)[/tex]
[tex]\\ \sf\longmapsto <1\sim <5(corresponding \:interior\:angles)[/tex]
[tex]\\ \sf\longmapsto <1\sim <8(<5\sim <8)[/tex]
Answer:
Step-by-step explanation:
∠1 = ∠4 {Vertically opposite angles}
∠1 = ∠5 {Corresponding angles}
∠1 = ∠8 {Alternate exterior angles}