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makkiz [27]
3 years ago
10

Look at the diagram. Which angle is supplementary to ∠DOC?

Mathematics
1 answer:
Serga [27]3 years ago
8 0

Two angles are supplementary when they add up to 180 degrees.

1. Consider angle ∠COB:

m∠DOC+m∠COB=m∠DOB=180°.

This means that angles ∠DOC and ∠COB are supplementary.

2. Consider angle DOA:

m∠DOC+m∠DOA=m∠COA=180°.

This means that angles ∠DOC and ∠DOA are supplementary.

Answer: 1. ∠COB; 2.  ∠DOA

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