P=(${a}, ${b}) "P" equals left parenthesis, "a" , "b" , right parenthesisP=a,b
Label:
4
Expression 5: polygon left parenthesis, left parenthesis, 0 , 0 , right parenthesis , left parenthesis, "a" , 0 , right parenthesis , "P" , left parenthesis, 0 , "P" . "y" , right parenthesis , right parenthesispolygon0,0,a,0,P,0,P.y
5
Expression 6: "F" equals "a" times "f" left parenthesis, "a" , right parenthesisF=a·fa
equals=
1.8 7 51.875
6
F = ${F} left parenthesis, StartFraction, "P" . "x" Over 2 , EndFraction , StartFraction, "P" . "y" Over 2 , EndFraction , right parenthesisP.x2,P.y2