Angle FBH = 45°

수식 14: "D" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline

수식 15: "F" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline

수식 16: "F" Subscript, 2 , Baseline equals "D" Subscript, 2 , Baseline minus 2 "A" Subscript, 1 , Baseline

수식 17: "G" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline

수식 18: "G" Subscript, 2 , Baseline equals "D" Subscript, 2 , Baseline minus 2 "A" Subscript, 1 , Baseline

수식 19: StartFraction, "X" Over "B" Subscript, 2 , Baseline minus "G" Subscript, 2 , Baseline , EndFraction equals StartFraction, "A" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline Over "B" Subscript, 2 , Baseline minus "A" Subscript, 2 , Baseline , EndFraction

수식 20: "X" equals StartFraction, left parenthesis, "B" Subscript, 2 , Baseline minus "G" Subscript, 2 , Baseline , right parenthesis left parenthesis, "A" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , right parenthesis Over "B" Subscript, 2 , Baseline minus "A" Subscript, 2 , Baseline , EndFraction

수식 21: "H" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline plus "X"

수식 22: "H" Subscript, 2 , Baseline equals "G" Subscript, 2 , Baseline

Graphs

수식 24: polygon left parenthesis, "B" , "F" , right parenthesis

수식 25: polygon left parenthesis, "A" , "G" , right parenthesis

수식 26: left parenthesis, "R" cos "L" , "R" sin "L" , right parenthesis

수식 27: polygon left parenthesis, "A" , "D" , "F" , "H" , right parenthesis

Points