Question

list all angles that are congruent to angle 1.

Answer 1

1, 3, 5, 7. 1 and 3 they are vertical meaning they are congruent. 3 and 5 are alternate interior angles meaning they are congruent. 7 and 5 are vertical so they are congruent.

Answer 2

Because lines x and y are parallel, angle 5 is the angle congruent to angle 1.

Which angles are congruent to angle 1?

Two angles are congruent if they have the same measure.

Now, notice that lines x and y are parallel between them, then the angles formed in one intersection are congruent to the correspondent angles in the other intersection.

This means that 6 and 2 are congruent, 7 and 3 are congruent, 4 and 8 are congruent, and finally, 1 and 5 are congruent.

So we conclude that the congruent angle to angle 1, is angle 5.

If you want to learn more about congruent angles:

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