Expression 11: "A" equals "x" Subscript, 1 , Baseline left parenthesis, "y" Subscript, 2 , Baseline minus "y" Subscript, 3 , Baseline , right parenthesis minus "y" Subscript, 1 , Baseline left parenthesis, "x" Subscript, 2 , Baseline minus "x" Subscript, 3 , Baseline , right parenthesis plus "x" Subscript, 2 , Baseline "y" Subscript, 3 , Baseline minus "x" Subscript, 3 , Baseline "y" Subscript, 2 , BaselineA=x1y2−y3−y1x2−x3+x2y3−x3y2
equals=
38.3 1 438.314
11
Expression 12: "B" equals left parenthesis, "x" squared plus "y" squared , right parenthesis left parenthesis, "y" Subscript, 3 , Baseline minus "y" Subscript, 2 , Baseline , right parenthesis plus left parenthesis, "x" squared plus "y" squared , right parenthesis left parenthesis, "y" Subscript, 1 , Baseline minus "y" Subscript, 3 , Baseline , right parenthesis plus left parenthesis, "x" squared plus "y" squared , right parenthesis left parenthesis, "y" Subscript, 2 , Baseline minus "y" Subscript, 1 , Baseline , right parenthesisB=x21+y21y3−y2+x22+y22y1−y3+x23+y23y2−y1
equals=
negative 63.7 3 5 7 6−63.73576
12
Expression 13: "C" equals left parenthesis, "x" squared plus "y" squared , right parenthesis left parenthesis, "x" Subscript, 2 , Baseline minus "x" Subscript, 3 , Baseline , right parenthesis plus left parenthesis, "x" squared plus "y" squared , right parenthesis left parenthesis, "x" Subscript, 3 , Baseline minus "x" Subscript, 1 , Baseline , right parenthesis plus left parenthesis, "x" squared plus "y" squared , right parenthesis left parenthesis, "x" Subscript, 1 , Baseline minus "x" Subscript, 2 , Baseline , right parenthesisC=x21+y21x2−x3+x22+y22x3−x1+x23+y23x1−x2
equals=
22.7 7 3 5 222.77352
13
Expression 14: "D" equals left parenthesis, "x" squared plus "y" squared , right parenthesis left parenthesis, "x" Subscript, 3 , Baseline "y" Subscript, 2 , Baseline minus "x" Subscript, 2 , Baseline "y" Subscript, 3 , Baseline , right parenthesis plus left parenthesis, "x" squared plus "y" squared , right parenthesis left parenthesis, "x" Subscript, 1 , Baseline "y" Subscript, 3 , Baseline minus "x" Subscript, 3 , Baseline "y" Subscript, 1 , Baseline , right parenthesis plus left parenthesis, "x" squared plus "y" squared , right parenthesis left parenthesis, "x" Subscript, 2 , Baseline "y" Subscript, 1 , Baseline minus "x" Subscript, 1 , Baseline "y" Subscript, 2 , Baseline , right parenthesisD=x21+y21x3y2−x2y3+x22+y22x1y3−x3y1+x23+y23x2y1−x1y2
equals=
negative 571.0 0 5 3 6 5−571.005365
14
Expression 15: "X" equals negative StartFraction, "B" Over 2 "A" , EndFractionX=−B2A
equals=
0.8 3 1 7 5 5 4 9 4 0 7 50.831755494075
15
Expression 16: "Y" equals negative StartFraction, "C" Over 2 "A" , EndFractionY=−C2A
equals=
negative 0.2 9 7 1 9 5 8 0 3 1 0 1−0.297195803101
16
Hidden Label: left parenthesis, "X" , "Y" , right parenthesisX,Y
Expression 18: "R" equals StartRoot, StartFraction, "B" squared plus "C" squared minus 4 "A" "D" Over 4 "A" squared , EndFraction , EndRootR=B2+C2−4AD4A2
equals=
3.9 6 0 2 3 3 7 2 1 5 13.96023372151
18
Expression 19: left parenthesis, "x" minus "X" , right parenthesis squared plus left parenthesis, "y" minus "Y" , right parenthesis squared equals "R" squaredx−X2+y−Y2=R2