Expression 47: negative "a" Subscript, 2 , Baseline left parenthesis, "x" minus "B" Subscript, 1 , Baseline , right parenthesis plus "a" Subscript, 1 , Baseline left parenthesis, "y" minus "B" Subscript, 2 , Baseline , right parenthesis equals 0−a2x−B1+a1y−B2=0
47
Expression 48: "a" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline minus "A" Subscript, 1 , Baselinea1=B1−A1
equals=
1.1 91.19
48
Expression 49: "a" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline minus "A" Subscript, 2 , Baselinea2=B2−A2
equals=
7.9 67.96
49
Expression 50: "c" equals StartRoot, "a" squared plus "a" squared , EndRootc=a21+a22
equals=
8.0 4 8 4 5 9 4 7 9 9 38.04845947993
50
¹/₂ ∠ A
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51
Expression 52: "D" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline plus StartFraction, "c" Over "b" plus "c" , EndFraction "b" Subscript, 1 , BaselineD1=B1+cb+cb1
equals=
negative 0.5 5 9 5 8 7 1 4 0 8 7 8−0.559587140878
52
Expression 53: "D" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline plus StartFraction, "c" Over "b" plus "c" , EndFraction "b" Subscript, 2 , BaselineD2=B2+cb+cb2
equals=
0.9 2 6 3 7 9 6 5 9 2 8 60.926379659286
53
Expression 54: "d" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline minus "A" Subscript, 1 , Baselined1=D1−A1
equals=
4.6 8 0 4 1 2 8 5 9 1 24.68041285912
54
Expression 55: "d" Subscript, 2 , Baseline equals "D" Subscript, 2 , Baseline minus "A" Subscript, 2 , Baselined2=D2−A2
equals=
6.3 2 6 3 7 9 6 5 9 2 96.32637965929
55
Expression 56: negative "d" Subscript, 2 , Baseline left parenthesis, "x" minus "A" Subscript, 1 , Baseline , right parenthesis plus "d" Subscript, 1 , Baseline left parenthesis, "y" minus "A" Subscript, 2 , Baseline , right parenthesis equals 0−d2x−A1+d1y−A2=0
56
Expression 57: "C" equals "d" Subscript, 2 , Baseline "A" Subscript, 1 , Baseline minus "d" Subscript, 1 , Baseline "A" Subscript, 2 , BaselineC=d2A1−d1A2
equals=
negative 7.8 7 5 9 9 9 9 7 5 4−7.8759999754
57
¹/₂ ∠ B
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58
Expression 59: "E" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline plus StartFraction, "a" Over "c" plus "a" , EndFraction "c" Subscript, 1 , BaselineE1=C1+ac+ac1
equals=
negative 0.8 9 3 1 5 2 6 1 3 8 6 3−0.893152613863
59
Expression 60: "E" Subscript, 2 , Baseline equals "C" Subscript, 2 , Baseline plus StartFraction, "a" Over "c" plus "a" , EndFraction "c" Subscript, 2 , BaselineE2=C2+ac+ac2
Expression 63: negative "e" Subscript, 2 , Baseline left parenthesis, "x" minus "B" Subscript, 1 , Baseline , right parenthesis plus "e" Subscript, 1 , Baseline left parenthesis, "y" minus "B" Subscript, 2 , Baseline , right parenthesis equals 0−e2x−B1+e1y−B2=0
Expression 66: "F" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline plus StartFraction, "b" Over "a" plus "b" , EndFraction left parenthesis, "a" Subscript, 1 , Baseline , right parenthesisF1=A1+ba+ba1
equals=
negative 4.6 0 1 8 7 5 4 0 1 8 9−4.60187540189
66
Expression 67: "F" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline plus StartFraction, "b" Over "a" plus "b" , EndFraction left parenthesis, "a" Subscript, 2 , Baseline , right parenthesisF2=A2+ba+ba2
Expression 70: negative "f" Subscript, 2 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesis plus "f" Subscript, 1 , Baseline left parenthesis, "y" minus "C" Subscript, 2 , Baseline , right parenthesis equals 0−f2x−C1+f1y−C2=0
Expression 78: "T" Subscript, "a" "r" "e" "a" "l" , Baseline equals 1 half times "b" times "c" times sine "v" Subscript, "A" , BaselineTareal=12·b·c·sinvA
equals=
33.3 0 1 333.3013
78
Expression 79: "v" Subscript, "A" , Baseline equals cosine to the negative 1st power StartFraction, "b" squared plus "c" squared minus "a" squared Over 2 "b" "c" , EndFractionvA=cos−1b2+c2−a22bc
equals=
0.9 7 7 1 1 7 3 7 1 1 6 90.977117371169
79
Expression 80: "v" Subscript, "B" , Baseline equals cosine to the negative 1st power StartFraction, "a" squared plus "c" squared minus "b" squared Over 2 "a" "c" , EndFractionvB=cos−1a2+c2−b22ac
equals=
1.2 8 1 4 4 8 1 1 6 6 21.28144811662
80
Expression 81: "v" Subscript, "C" , Baseline equals cosine to the negative 1st power StartFraction, "a" squared plus "b" squared minus "c" squared Over 2 "a" "b" , EndFractionvC=cos−1a2+b2−c22ab
equals=
0.8 8 3 0 2 7 1 6 5 8 0 10.883027165801
81
Expression 82: "A" Subscript, "B" , Baseline equals "c"AB=c
