X = √ ( b ² + a ² )

Expression 16: "C" Subscript, 2 , Baseline equals "s"

equals

Expression 17: "D" Subscript, 1 , Baseline equals "s"

equals

Expression 18: "D" Subscript, 2 , Baseline equals StartRoot, 0 , EndRoot

equals

Expression 19: StartFraction, "E" Subscript, 1 , Baseline Over "F" Subscript, 2 , Baseline , EndFraction equals StartFraction, "B" Subscript, 2 , Baseline minus "F" Subscript, 2 , Baseline Over "s" , EndFraction

Expression 20: "E" Subscript, 1 , Baseline equals StartFraction, "F" Subscript, 2 , Baseline left parenthesis, "B" Subscript, 2 , Baseline minus "F" Subscript, 2 , Baseline , right parenthesis Over "s" , EndFraction

equals

1.7 8 5 5 0 7 1

Expression 21: "E" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline

equals

Expression 22: "F" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline

equals

Expression 23: "G" Subscript, 1 , Baseline equals StartFraction, "s" Over 2 , EndFraction

equals

Expression 24: "G" Subscript, 2 , Baseline equals "s"

equals

Expression 25: "H" Subscript, 1 , Baseline equals "s"

equals

Expression 26: "H" Subscript, 2 , Baseline equals StartFraction, "s" Over 2 , EndFraction

equals

Graphs

Expression 28: polygon left parenthesis, "E" , "F" , right parenthesis

Expression 29: polygon left parenthesis, "C" , "E" , right parenthesis

Expression 30: polygon left parenthesis, "C" , "F" , right parenthesis

Expression 31: polygon left parenthesis, "A" , "B" , "C" , "D" , right parenthesis

Points

s = Side of Square ABCD

Start black, StartRoot, "a" squared plus "s" squared , EndRoot End black

Start black, "b" squared plus left parenthesis, "a" squared plus "s" squared , right parenthesis equals "X" squared plus "s" squared End black

90°