Missing Angle X = 80

Expression 13: "A" Subscript, 1 , Baseline equals "A" Subscript, "B" , Baseline cosine "A" Subscript, "B" "C" , Baseline

equals

5.7 8 5 0 8 8 4 8 7 1 8

Expression 14: "A" Subscript, 2 , Baseline equals "A" Subscript, "B" , Baseline sine "A" Subscript, "B" "C" , Baseline

equals

6.8 9 4 3 9 9 9 8 8 0 7

Expression 15: "B" Subscript, 1 , Baseline equals StartRoot, 0 , EndRoot

equals

Expression 16: "B" Subscript, 2 , Baseline equals StartRoot, 0 , EndRoot

equals

Expression 17: "C" Subscript, 1 , Baseline equals 2 "A" Subscript, 1 , Baseline

equals

11.5 7 0 1 7 6 9 7 4 4

Expression 18: "C" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline

equals

Expression 19: left parenthesis, "D" Subscript, 1 , Baseline minus "A" Subscript, 1 , Baseline , right parenthesis squared plus "A" squared equals "D" squared

Expression 20: "D" Subscript, 1 , Baseline equals StartFraction, "A" squared plus "A" squared Over 2 "A" Subscript, 1 , Baseline , EndFraction

equals

7.0 0 0 7 5 7 2 2 0 8 7

Expression 21: "D" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline

equals

Graphs

Expression 23: "y" less than 25

Expression 24: polygon left parenthesis, "A" , "D" , "A" , "B" , "C" , right parenthesis

Points