alleryWhich name fits two angles whose sum equals a straight angle?
AComplementary
BVertical
CSupplementary
DExplementary
Answer & Solution
Correct answer: C. Supplementary
1. Angles that sum to a straight angle (180°) are supplementary.
2. Complementary pairs sum to only 90°.
3. Explementary pairs sum to a full 360°.
_Source: Wikipedia, Angle, Combining angle pairs_
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