Square Area = 49 / 3

運算式 28: "D" Subscript, 2 , Baseline equals StartFraction, "B" Subscript, 1 , Baseline Over "B" Subscript, 2 , Baseline , EndFraction "D" Subscript, 1 , Baseline

運算式 29: "E" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline minus left parenthesis, "D" Subscript, 2 , Baseline minus "B" Subscript, 2 , Baseline , right parenthesis

運算式 30: "E" Subscript, 2 , Baseline equals "D" Subscript, 2 , Baseline plus left parenthesis, "D" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , right parenthesis

運算式 31: "F" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline minus left parenthesis, "D" Subscript, 2 , Baseline minus "B" Subscript, 2 , Baseline , right parenthesis

運算式 32: "F" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline plus left parenthesis, "D" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , right parenthesis

運算式 33: "L" Subscript, 1 , Baseline equals StartFraction, "B" Subscript, 1 , Baseline Over 2 , EndFraction

運算式 34: "L" Subscript, 2 , Baseline equals StartFraction, "B" Subscript, 2 , Baseline Over 2 , EndFraction

運算式 35: "M" Subscript, 1 , Baseline equals StartFraction, "C" Subscript, 1 , Baseline Over 2 , EndFraction

運算式 36: "M" Subscript, 2 , Baseline equals StartFraction, negative "B" Subscript, 1 , Baseline Over "B" Subscript, 2 , Baseline , EndFraction left parenthesis, "M" Subscript, 1 , Baseline minus "L" Subscript, 1 , Baseline , right parenthesis plus "L" Subscript, 2 , Baseline

Graphs

運算式 38: "y" less than 25

運算式 39: polygon left parenthesis, "B" , "D" , "E" , "F" , right parenthesis

運算式 40: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesis

運算式 41: polygon left parenthesis, "A" , "D" , "A" , "B" , "D" , "B" , "F" , "E" , "D" , "E" , "F" , "B" , "C" , right parenthesis

Points

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