NEW: Shaded Area = 84

Ausdruck 15: "B" Subscript, 2 , Baseline equals "R"

equals

11.8 5 3 2 6 9 5 9 1 1

Ausdruck 16: "C" Subscript, 1 , Baseline equals "R"

equals

11.8 5 3 2 6 9 5 9 1 1

Ausdruck 17: "C" Subscript, 2 , Baseline equals StartRoot, 0 , EndRoot

equals

Ausdruck 18: "D" Subscript, 2 , Baseline equals StartRoot, "R" squared minus "D" squared , EndRoot

equals

6.7 4 9 1 9 2 6 4 9 7 5

Ausdruck 19: "E" Subscript, 1 , Baseline equals StartFraction, 16 "D" Subscript, 1 , Baseline Over 11 , EndFraction

equals

14.1 7 3 3 0 4 5 6 4 5

Ausdruck 20: left parenthesis, "R" minus "E" Subscript, 2 , Baseline , right parenthesis squared plus "E" squared equals left parenthesis, 11 plus 5 , right parenthesis squared

Ausdruck 21: "E" Subscript, 2 , Baseline equals "R" minus StartRoot, 16 squared minus "E" squared , EndRoot

equals

4.4 2 9 1 5 7 6 7 6 4

Graphs

Ausdruck 23: "y" less than 30

Ausdruck 24: polygon left parenthesis, "A" , "B" , "E" , right parenthesis

Ausdruck 25: left parenthesis, "C" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cos "t" , "C" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sin "t" , right parenthesis

Definitionsbereich t Minimum:

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

Definitionsbereich t Maximum: 180

Ausdruck 26: polygon left parenthesis, "A" , "C" , "A" , "B" , "E" , "A" , right parenthesis

Ausdruck 27: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesis

Definitionsbereich t Minimum:

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

Definitionsbereich t Maximum: 90

Ausdruck 28: left parenthesis, "C" Subscript, 1 , Baseline plus "t" "R" Subscript, 1 , Baseline , "C" Subscript, 2 , Baseline , right parenthesis

Definitionsbereich t Minimum:

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

Definitionsbereich t Maximum:

Points

Triangle Side BE is a Tangent of the Semicircle.

Find the Shaded Area = ?