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The question asks for the complement of (the supplement of (80 degrees) ).

We have to find the supplement of 80 first, and then find the complement of

the supplement.

The supplement of an angle is (180 - the angle).

The complement of an angle is (90 - the angle).

The supplement of 80 degrees is (180 - 80) = 100 degrees.

The complement of that supplement is (90 - 100) = -10 degrees.

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Q: What is the complement of the supplement of 80?
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