Expression 3: "A" Subscript, "S" "e" "c" "t" "o" "r" "A" "O" "B" , Baseline equals StartFraction, pi "R" squared Over 4 , EndFractionASectorAOB=πR24
equals=
615.7 5 2 1 6 0 1 0 4615.752160104
3
Expression 4: "A" Subscript, "T" "r" "i" "a" "n" "g" "l" "e" "A" "B" "O" , Baseline equals StartFraction, "R" squared Over 2 , EndFractionATriangleABO=R22