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It's when they're congruent and equal 180 degrees.

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Q: What is congruent and supplementary theorem?
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Related questions

What is the Congruent supplement that states if two angles are supplementary to the same angle then they are congruent?

Supplementary Congruency Theorem


What is the four right angles theorem?

The theorem states "If two angles are both supplementary and congruent, then they are right angles."


What is the definition of a angle supplement theorem?

if two angles are supplements of the same angle (or of congruent angles), then the two angles are congruent.


Angles that are congruent and supplementary must be?

Angles that are congruent and supplementary must be right angles.


what-Helena was asked to prove that any pair of vertical angles is congruent. She was provided a diagram with several pairs of vertical angles.?

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Can a pair of angles be supplementary and congruent?

No, a pair of angles that are supplementary will always have a sum of 180 degrees, while a pair of angles that are congruent will have the same measure. Therefore, it is not possible for a pair of angles to be both supplementary and congruent.


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They are congruent angles


What are the nonadjacent angles in a parallelogram. Supplementary or congruent?

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Are vertical angles congruent or supplementary angles?

Vertical angles are always, by definition, congruent. Note: If the two vertical angles are right angles then they are both congruent and supplementary.


Are vertical angles supplementary adjacent congruent or similar?

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What theorem can you use to prove that AEB is congruent to CED?

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