Blue Area = 6.91822592662

Expression 15: "C" Subscript, 1 , Baseline equals "R" equals 4.5

equals

4.5

Expression 16: "C" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline equals 0

equals

Expression 17: "D" Subscript, 1 , Baseline equals "O" Subscript, 1 , Baseline equals 0

equals

Expression 18: "D" Subscript, 2 , Baseline equals negative "R" equals negative 4.5

equals

negative 4.5

Expression 19: "E" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline minus 6 equals negative 1.5

equals

negative 1.5

Expression 20: "E" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline equals 0

equals

Expression 21: "F" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline plus "R" Subscript, "M" "a" "j" "o" "r" , Baseline cosine "C" Subscript, "D" "F" , Baseline equals negative 2.0 1 2 4 6 1 1 7 9 7 5

equals

negative 2.0 1 2 4 6 1 1 7 9 7 5

Expression 22: "F" Subscript, 2 , Baseline equals "D" Subscript, 2 , Baseline plus "R" Subscript, "M" "a" "j" "o" "r" , Baseline sine "C" Subscript, "D" "F" , Baseline equals 1.5 3 7 3 8 3 5 3 9 2 5

equals

1.5 3 7 3 8 3 5 3 9 2 5

Graphs

Expression 24: "y" less than 25 Has graph. To audio trace, press ALT+T.

Expression 25: polygon left parenthesis, "A" , "C" , "F" , right parenthesis Has graph.

Expression 26: polygon left parenthesis, "A" , "C" , "A" , "F" , "C" , "F" , "A" , "B" , "C" , "D" , "F" , "D" , right parenthesis Has graph.

Expression 27: left parenthesis, "D" Subscript, 1 , Baseline plus "R" Subscript, "M" "a" "j" "o" "r" , Baseline cos "t" , "D" Subscript, 2 , Baseline plus "R" Subscript, "M" "a" "j" "o" "r" , Baseline sin "t" , right parenthesis Has graph.

domain t Minimum: 45

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

domain t Maximum: 135

Expression 28: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesis Has graph.

domain t Minimum:

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

domain t Maximum: 360

Points

AE = 3

CE = 6

Square