I believe it is equivalent.
The angle that is same side exterior angle to ∠ABC is ∠EFH.
<h3>How to find angles?</h3>
When parallel line are cut by a transversal line, angle relationships are formed such as corresponding angles, vertically opposite angles, alternate angles, same interior angles, etc.
AD and EG are parallel to each other.
CH is a transversal line to the parallel lines.
Therefore, let's find the angle that has the same relationship as same side exterior angles as angle ABC.
Two angles that are exterior to the parallel lines and on the same side of the transversal line are called same-side exterior angles.
Same side exterior angles are supplementary.
Therefore,
∠ABC and ∠EFH are same side exterior angles.
learn more on angles here: brainly.com/question/24755745
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The answer is 12. 3 can go into 12 4 times
