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Not Necessarily

Alternate interior angles are congruent, or equal. They have the same angle measure, while complementary means they add up to 90 degrees. Therefore, the only time alternate interior angles are complementary is when they are exactly 45 degrees.

Q: Are alternate interior angles complementary

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No. They are congruent. However, if one of the alternate angles is equal to 45, yes they would be complementary, but otherwise, no.

Yes. Alternate interior and alternate exterior angles are congruent.

Alternate interior angles are equal on a transversal that passes through parallel lines.

Alternate interior angles.

No. A triangle with two complementary interior angles will always result into right triangle. The sum of the complementary angles will always be 90 degrees and the other one will be 90 too.

Related questions

Yes. "Alternate interior" angles are always interior. Angles that are not interior as well as alternate are never accurately described as "alternate interior" angles.

No. They are congruent. However, if one of the alternate angles is equal to 45, yes they would be complementary, but otherwise, no.

They are 4 alternate interior angles.

Yes. Alternate interior and alternate exterior angles are congruent.

alternate interior and alternate exterior angles

Alternate interior angles are equal on a transversal that passes through parallel lines.

Both alternate interior and alternate exterior angle pairs lie on opposite sides of the transversal.

Alternate interior angles.

No. A triangle with two complementary interior angles will always result into right triangle. The sum of the complementary angles will always be 90 degrees and the other one will be 90 too.

Alternate Interior Angles

Parallel lines cut by a transversal form congruent alternate interior angles.

they are congruent i think