Expression 8: "m" equals StartFraction, "y" Subscript, 2 , Baseline minus "y" Subscript, 1 , Baseline Over "x" Subscript, 2 , Baseline minus "x" Subscript, 1 , Baseline , EndFraction equals 1.1 9 1 7 5 3 5 9 2 5 9m=y2−y1x2−x1
equals=
1.1 9 1 7 5 3 5 9 2 5 91.19175359259
8
Expression 9: arc tangent left parenthesis, "m" , right parenthesis equals 50arctanm
equals=
5050
9
Expression 10: "x" Subscript, 1 , Baseline equals "b" left parenthesis, StartFraction, tan left parenthesis, negative 60 , right parenthesis Over tan left parenthesis, negative 60 , right parenthesis minus tan left parenthesis, 80 , right parenthesis , EndFraction , right parenthesis equals 1.1 6 9 7 7 7 7 8 4 4 1x1=btan−60tan−60−tan80
equals=
1.1 6 9 7 7 7 7 8 4 4 11.16977778441
10
Expression 11: "x" Subscript, 2 , Baseline equals "b" left parenthesis, StartFraction, tan left parenthesis, negative 80 , right parenthesis Over tan left parenthesis, negative 80 , right parenthesis minus tan 70 , EndFraction , right parenthesis equals 3.3 6 8 2 4 0 8 8 8 3 3x2=btan−80tan−80−tan70
equals=
3.3 6 8 2 4 0 8 8 8 3 33.36824088833
11
Expression 12: "y" Subscript, 1 , Baseline equals tangent left parenthesis, 80 , right parenthesis "b" left parenthesis, StartFraction, tan left parenthesis, negative 60 , right parenthesis Over tan left parenthesis, negative 60 , right parenthesis minus tan left parenthesis, 80 , right parenthesis , EndFraction , right parenthesis equals 6.6 3 4 1 3 9 4 8 1 6 9y1=tan80btan−60tan−60−tan80
equals=
6.6 3 4 1 3 9 4 8 1 6 96.63413948169
12
Expression 13: "y" Subscript, 2 , Baseline equals tangent left parenthesis, 70 , right parenthesis "b" left parenthesis, StartFraction, tan left parenthesis, negative 80 , right parenthesis Over tan left parenthesis, negative 80 , right parenthesis minus tan 70 , EndFraction , right parenthesis equals 9.2 5 4 1 6 5 7 8 3 9 8y2=tan70btan−80tan−80−tan70