Expression 9: "A" Subscript, "B" "D" , Baseline equals StartFraction, "A" Subscript, "B" "C" , Baseline Over 2 , EndFractionABD=ABC2
equals=
6060
9
Expression 10: "A" Subscript, "B" "C" , Baseline equals 180 minus "B" Subscript, "A" "C" , Baseline minus "A" Subscript, "C" "B" , BaselineABC=180−BAC−ACB