Practice problem
Identify all the names for ∠1\angle{1}∠1. Assume AD‾\overline{AD}AD is a straight line.
∠1\angle{1}∠1
∠AB\angle{AB}∠AB
∠AC\angle{AC}∠AC
80∘80^\circ80∘
Type a concept, like “slope” or “photosynthesis”.
