Expression 23: "m" Subscript, 2 , Baseline equals tangent left parenthesis, 180 minus "A" Subscript, "C" "B" , Baseline , right parenthesism2=tan180−ACB
equals=
negative 0.8 3 9 0 9 9 6 3 1 1 7 7−0.839099631177
23
Expression 24: "y" equals "m" Subscript, 1 , Baseline left parenthesis, "x" minus "A" Subscript, 1 , Baseline , right parenthesisy=m1x−A1
24
Expression 25: "y" equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesisy=m2x−C1
25
Expression 26: "m" Subscript, 1 , Baseline left parenthesis, "x" minus "A" Subscript, 1 , Baseline , right parenthesis equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesism1x−A1=m2x−C1