[ sŭp′lə-mĕn′tə-rē ]
Two angles whose sum is 180°.
DON’T VACILLATE! VANQUISH THIS WORD OF THE DAY QUIZ!
It’d be a real faux pas to miss this quiz on the words from August 3–9, 2020!
Question 1 of 7
What does “vacillate” mean?
Words nearby supplementary angles
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