Respuesta :

Answer:

Supplementary lines are 180 and are two angles that can add up to 180 degrees make a staraight angle

Step-by-step explanation:

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Answer:

Supplementary lines are two angles that when added together it equals to 180 degrees.

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Example:

Let's say angle a was 60 degrees and angle b was 120 degrees. We add both them together and get 180 degrees in total. So these angles would be supplementary.

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