Respuesta :

Answer:

They are Supplementary

Step-by-step explanation:

Supplementary means the sum of the two angles will equal 180 degrees.

This is only true if the outside rays do form a straight line.

If you look at the drawing, the outside rays are line A-B and B-C which both form a straight line.

So angle 1 and angle 2 will always equal 180 degrees.

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