Any pair of supplementary angles add up to _____
90°
180°
360°
None of the above
Any pair of supplementary angles add up to 180∘
Choose the correct option:
If two angles are supplementary, then their sum is ___________
A. 90°
B. 180°
C. 270°
D. 360°
Angles around a point will always add up to 360 degrees.