Answer:

3. B - They are always supplementary

What can you say about the two consecutive angles in a parallelogram?

a. They are always congruent

b. They are always supplementary

c. They are sometimes supplementary

d. They are both right angles

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Consecutive angles in a parallelogram will always sum to 180 degrees. That makes consecutive angles in a parallelogram “supplementary”.

In the Parallelogram in the picture, angles A & B, B & C, C & D, and D & A are all examples of consecutive angles.