Shaded Fraction = 11 / 72

수식 20: "E" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline

수식 21: "E" Subscript, 2 , Baseline equals negative "C" Subscript, 2 , Baseline

수식 22: "F" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline

수식 23: "F" Subscript, 2 , Baseline equals negative "B" Subscript, 2 , Baseline

수식 24: "M" Subscript, 1 , Baseline equals StartFraction, "E" Subscript, 1 , Baseline plus "F" Subscript, 1 , Baseline Over 2 , EndFraction

수식 25: "M" Subscript, 2 , Baseline equals StartFraction, "E" Subscript, 2 , Baseline plus "F" Subscript, 2 , Baseline Over 2 , EndFraction

수식 26: 90 plus tangent to the negative 1st power StartFraction, "C" Subscript, 2 , Baseline minus "E" Subscript, 2 , Baseline Over "C" Subscript, 1 , Baseline minus "M" Subscript, 1 , Baseline , EndFraction

수식 27: "G" Subscript, 1 , Baseline equals "M" Subscript, 1 , Baseline plus StartFraction, "R" Over 2 , EndFraction cosine left parenthesis, 180 minus "F" Subscript, "M" "G" , Baseline , right parenthesis

수식 28: "G" Subscript, 2 , Baseline equals "M" Subscript, 2 , Baseline plus StartFraction, "R" Over 2 , EndFraction sine left parenthesis, 180 minus "F" Subscript, "M" "G" , Baseline , right parenthesis

수식 29: "H" Subscript, 1 , Baseline equals "M" Subscript, 1 , Baseline plus left parenthesis, "M" Subscript, 1 , Baseline minus "G" Subscript, 1 , Baseline , right parenthesis

수식 30: "H" Subscript, 2 , Baseline equals "G" Subscript, 2 , Baseline

수식 31: "m" Subscript, 1 , Baseline equals StartFraction, "C" Subscript, 2 , Baseline minus "G" Subscript, 2 , Baseline Over "C" Subscript, 1 , Baseline minus "G" Subscript, 1 , Baseline , EndFraction

수식 32: "L" Subscript, 2 , Baseline equals "m" Subscript, 1 , Baseline left parenthesis, "L" Subscript, 1 , Baseline minus "C" Subscript, 1 , Baseline , right parenthesis plus "C" Subscript, 2 , Baseline

수식 33: "L" Subscript, 1 , Baseline equals "M" Subscript, 1 , Baseline

Graphs

수식 35: "y" less than 29

수식 36: left parenthesis, "M" Subscript, 1 , Baseline plus StartFraction, "R" Over 2 , EndFraction cos "t" , "M" Subscript, 2 , Baseline plus StartFraction, "R" Over 2 , EndFraction sin "t" , right parenthesis

수식 37: polygon left parenthesis, "B" , "C" , "L" , right parenthesis

수식 38: polygon left parenthesis, "A" , "B" , "H" , "B" , "C" , "G" , "M" , "G" , "C" , "M" , "C" , "D" , "E" , "F" , right parenthesis

Points