Missing Angle BEF = 70°

Expression 12: "C" Subscript, 2 , Baseline equals "B" Subscript, 1 , Baseline sine 40 equals 12.2 1 2 9 6 4 5 8 4

equals

12.2 1 2 9 6 4 5 8 4

Expression 13: "D" Subscript, 1 , Baseline equals StartFraction, "C" Subscript, 1 , Baseline Over 2 , EndFraction equals 7.2 7 7 4 2 2 2 0 9 6 3

equals

7.2 7 7 4 2 2 2 0 9 6 3

Expression 14: "C" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline cosine 40 equals 14.5 5 4 8 4 4 4 1 9 3

equals

14.5 5 4 8 4 4 4 1 9 3

Expression 15: "D" Subscript, 2 , Baseline equals StartFraction, "C" Subscript, 2 , Baseline Over 2 , EndFraction equals 6.1 0 6 4 8 2 2 9 2 0 2

equals

6.1 0 6 4 8 2 2 9 2 0 2

Expression 16: "F" Subscript, 1 , Baseline equals StartFraction, "B" Subscript, 1 , Baseline plus "C" Subscript, 1 , Baseline Over 2 , EndFraction equals 16.7 7 7 4 2 2 2 0 9 6

equals

16.7 7 7 4 2 2 2 0 9 6

Expression 17: "F" Subscript, 2 , Baseline equals StartFraction, "B" Subscript, 2 , Baseline plus "C" Subscript, 2 , Baseline Over 2 , EndFraction equals 6.1 0 6 4 8 2 2 9 2 0 2

equals

6.1 0 6 4 8 2 2 9 2 0 2

Expression 18: "M" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline equals 19

equals

Expression 19: "M" Subscript, 2 , Baseline equals "R" equals 6.9 1 5 4 3 4 4 5 1 0 6

equals

6.9 1 5 4 3 4 4 5 1 0 6

Graphs

Expression 21: "y" less than 40 Has graph. To audio trace, press ALT+T.

Expression 22: polygon left parenthesis, "A" , "B" , "D" , "E" , "F" , "E" , "B" , "C" , right parenthesis Has graph.

Expression 23: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "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