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Mathematics 17 Online
OpenStudy (anonymous):

The supplementary angle of 127.8 degrees is?

OpenStudy (alexwee123):

supplementary angles are pairs of angles that add up to 180 degrees

OpenStudy (anonymous):

Supplementary would add up to 180, so just do it like the earlier one

OpenStudy (alexwee123):

so you would subtratc 127.8 from 180

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