Shaded = 14.625 = 117 / 8

Expression 18: "B" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline plus "A" Subscript, "B" , Baseline sine "B" Subscript, "A" "C" , Baseline

Expression 19: "C" Subscript, 1 , Baseline equals "R"

Expression 20: "C" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline

Expression 21: "D" Subscript, 1 , Baseline equals "R" cosine left parenthesis, 180 minus "A" Subscript, "O" "D" , Baseline , right parenthesis

Expression 22: "D" Subscript, 2 , Baseline equals "R" sine left parenthesis, 180 minus "A" Subscript, "O" "D" , Baseline , right parenthesis

Expression 23: "F" Subscript, 1 , Baseline equals negative "D" Subscript, 1 , Baseline

Expression 24: "F" Subscript, 2 , Baseline equals "D" Subscript, 2 , Baseline

Expression 25: "M" Subscript, 1 , Baseline equals "O" Subscript, 1 , Baseline

Expression 26: "M" Subscript, 2 , Baseline equals StartFraction, "R" times "F" Subscript, 2 , Baseline Over "R" plus "F" Subscript, 1 , Baseline , EndFraction

Expression 27: "E" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline plus StartFraction, "A" Subscript, "D" , Baseline plus "E" Subscript, "F" , Baseline Over "A" Subscript, "B" , Baseline , EndFraction left parenthesis, "B" Subscript, 1 , Baseline minus "C" Subscript, 1 , Baseline , right parenthesis

Expression 28: "E" Subscript, 2 , Baseline equals "C" Subscript, 2 , Baseline plus StartFraction, "A" Subscript, "D" , Baseline plus "E" Subscript, "F" , Baseline Over "A" Subscript, "B" , Baseline , EndFraction left parenthesis, "B" Subscript, 2 , Baseline minus "C" Subscript, 2 , Baseline , right parenthesis

Graphs

Expression 30: polygon left parenthesis, "D" , "E" , "F" , "M" , right parenthesis

Expression 31: polygon left parenthesis, "A" , "B" , "C" , right parenthesis

Expression 32: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesis

Expression 33: polygon left parenthesis, "C" , "D" , right parenthesis

Expression 34: polygon left parenthesis, "D" , "E" , right parenthesis

Expression 35: polygon left parenthesis, "A" , "F" , right parenthesis

Points