Angle ADE = 75

運算式 13: "B" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline

equals

運算式 14: "C" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline

equals

13.8 5 6 4 0 6 4 6 0 6

運算式 15: "D" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline

equals

運算式 16: "E" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline minus StartFraction, "C" Subscript, 2 , Baseline Over 2 , EndFraction StartRoot, 3 , EndRoot

equals

6.9 2 8 2 0 3 2 3 0 2 8

運算式 17: "E" Subscript, 2 , Baseline equals StartFraction, "C" Subscript, 2 , Baseline Over 2 , EndFraction

equals

運算式 18: "F" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline minus "C" Subscript, 2 , Baseline

equals

5.8 5 6 4 0 6 4 6 0 5 5

運算式 19: "F" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline

equals

Graphs

運算式 21: "y" less than 25

運算式 22: left parenthesis, "B" Subscript, 1 , Baseline plus "C" Subscript, 2 , Baseline cos "t" , "C" Subscript, 2 , Baseline sin "t" , right parenthesis

定義域 t 最小值： 90

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

定義域 t 最大值： 180

運算式 23: left parenthesis, "A" Subscript, 1 , Baseline plus "D" Subscript, 2 , Baseline cos "t" , "D" Subscript, 2 , Baseline sin "t" , right parenthesis

定義域 t 最小值： 0

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

定義域 t 最大值： 90

運算式 24: polygon left parenthesis, "D" , "E" , "D" , "A" , "B" , "C" , "E" , "A" , right parenthesis

Points

技術支援

CE = BF

Two Semicircles