Shaded Area = 7.5 Sq. Units

수식 15: "H" Subscript, 1 , Baseline equals StartFraction, "A" Subscript, "H" , Baseline Over "A" Subscript, "C" , Baseline , EndFraction "C" Subscript, 1 , Baseline

수식 16: "H" Subscript, 2 , Baseline equals StartFraction, "A" Subscript, "H" , Baseline Over "A" Subscript, "C" , Baseline , EndFraction "C" Subscript, 2 , Baseline

수식 17: "D" Subscript, 1 , Baseline equals StartFraction, "D" Subscript, "H" , Baseline plus "A" Subscript, "H" , Baseline Over "A" Subscript, "C" , Baseline , EndFraction "C" Subscript, 1 , Baseline

수식 18: "D" Subscript, 2 , Baseline equals StartFraction, "D" Subscript, "H" , Baseline plus "A" Subscript, "H" , Baseline Over "A" Subscript, "C" , Baseline , EndFraction "C" Subscript, 2 , Baseline

수식 19: "P" Subscript, 1 , Baseline equals "H" Subscript, 1 , Baseline plus "S" Subscript, "F" , Baseline cosine left parenthesis, "B" Subscript, "A" "C" , Baseline minus 135 , right parenthesis

수식 20: "P" Subscript, 2 , Baseline equals "H" Subscript, 2 , Baseline plus "S" Subscript, "F" , Baseline sine left parenthesis, "B" Subscript, "A" "C" , Baseline minus 135 , right parenthesis

Graphs

수식 22: polygon left parenthesis, "A" , "B" , "D" , right parenthesis

수식 23: "S" Subscript, "F" , Baseline equals 0.3

수식 24: "s" equals StartFraction, "S" Subscript, "F" , Baseline Over StartRoot, 2 , EndRoot , EndFraction

수식 25: theta Subscript, 2 , Baseline equals left bracket, "B" Subscript, "A" "C" , Baseline , "B" Subscript, "A" "C" , Baseline plus 90 , right bracket

수식 26: left parenthesis, "P" Subscript, 1 , Baseline plus "t" "s" cos theta Subscript, 2 , Baseline , "P" Subscript, 2 , Baseline plus "t" "s" sin theta Subscript, 2 , Baseline , right parenthesis

수식 27: polygon left parenthesis, "A" , "B" , "C" , right parenthesis

수식 28: polygon left parenthesis, "B" , "D" , right parenthesis

수식 29: polygon left parenthesis, "B" , "H" , right parenthesis

Points