Expression 21: "m" Subscript, 1 , Baseline equals tangent left parenthesis, 180 minus "A" Subscript, "C" "B" , Baseline plus "A" Subscript, "C" "D" , Baseline , right parenthesism1=tan180−ACB+ACD
equals=
negative 0.8 0 4 8 8 3 0 8 4 5 3 2−0.804883084532
21
Expression 22: "m" Subscript, 2 , Baseline equals tangent left parenthesis, 180 minus "A" Subscript, "C" "B" , Baseline minus "B" Subscript, "A" "C" , Baseline , right parenthesism2=tan180−ACB−BAC
equals=
2.2 6 4 0 9 2 0 7 9 8 42.26409207984
22
Expression 23: "y" equals "m" Subscript, 1 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesisy=m1x−C1
23
Expression 24: "y" equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "A" Subscript, 1 , Baseline , right parenthesis plus "A" Subscript, 2 , Baseliney=m2x−A1+A2
24
Expression 25: "m" Subscript, 1 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesis equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "A" Subscript, 1 , Baseline , right parenthesis plus "A" Subscript, 2 , Baselinem1x−C1=m2x−A1+A2
25
Expression 26: "D" Subscript, 1 , Baseline equals StartFraction, "m" Subscript, 1 , Baseline "C" Subscript, 1 , Baseline minus "m" Subscript, 2 , Baseline "A" Subscript, 1 , Baseline plus "A" Subscript, 2 , Baseline Over "m" Subscript, 1 , Baseline minus "m" Subscript, 2 , Baseline , EndFractionD1=m1C1−m2A1+A2m1−m2
equals=
4.7 2 6 9 7 7 9 6 3 4 64.72697796346
26
Expression 27: "D" Subscript, 2 , Baseline equals "m" Subscript, 2 , Baseline left parenthesis, "D" Subscript, 1 , Baseline minus "A" Subscript, 1 , Baseline , right parenthesis plus "A" Subscript, 2 , BaselineD2=m2D1−A1+A2
Expression 29: "m" Subscript, 4 , Baseline equals tangent left parenthesis, 180 minus "A" Subscript, "C" "B" , Baseline , right parenthesism4=tan180−ACB
equals=
negative 2.5 8 2 1 6 3 2 2 3 6 3−2.58216322363
29
Expression 30: "y" equals "m" Subscript, 3 , Baseline left parenthesis, "x" minus "B" Subscript, 1 , Baseline , right parenthesisy=m3x−B1
30
Expression 31: "y" equals "m" Subscript, 4 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesisy=m4x−C1
31
Expression 32: "m" Subscript, 3 , Baseline left parenthesis, "x" minus "B" Subscript, 1 , Baseline , right parenthesis equals "m" Subscript, 4 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesism3x−B1=m4x−C1
