Practice problem
Consider the following angles:
A: 10∘10^\circ10∘
B: 140∘140^\circ140∘
C: 110∘110^\circ110∘
D: 40∘40^\circ40∘
Which two angles for a linear pair?
AAA
BBB
CCC
DDD
Type a concept, like “slope” or “photosynthesis”.