78.54 ≥ Blue ≤ 82.52

運算式 11: "O" Subscript, 1 , Baseline equals StartRoot, 0 , EndRoot

equals

運算式 12: "O" Subscript, 2 , Baseline equals StartRoot, 0 , EndRoot

equals

運算式 13: "A" Subscript, 1 , Baseline equals negative "B" Subscript, 1 , Baseline

equals

negative 5

運算式 14: "A" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline

equals

1.1 2 5

Graphs

運算式 16: "y" less than 25

運算式 17: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesis

定義域 t 最小值：

less than or equal to "t" less than or equal to

定義域 t 最大值： 360

運算式 18: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesis

定義域 t 最小值：

less than or equal to "t" less than or equal to

定義域 t 最大值： 360

運算式 19: polygon left parenthesis, "A" , "B" , right parenthesis

運算式 20: left parenthesis, "C" Subscript, 1 , Baseline , "C" Subscript, 2 , Baseline minus "t" 4 , right parenthesis

定義域 t 最小值：

less than or equal to "t" less than or equal to

定義域 t 最大值：

Points

技術支援

AB = 10

Blue Circle Area = ?