Expression 16: "A" equals sine to the negative 1st power left parenthesis, StartFraction, "h" Over "c" , EndFraction , right parenthesisA=sin−1hc
equals=
35.5 7 1 2 2 0 5 6 335.571220563
16
Expression 17: "A" Subscript, "B" "D" , Baseline equals 180 minus "A" minus "A" Subscript, "D" "B" , BaselineABD=180−A−ADB
equals=
34.4 2 8 7 7 9 4 3 734.428779437
17
Arealet af ∆ ABD =
18
Expression 19: "T" Subscript, "A" "B" "D" , Baseline equals 1 half times "c" times "a" times sine "A" Subscript, "B" "D" , BaselineTABD=12·c·a·sinABD
equals=
19.2 9 3 6 3 9 7 0 4 819.2936397048
19
Areal af trekant BCD =
20
Expression 21: "T" Subscript, "B" "C" "D" , Baseline equals "T" Subscript, "A" "B" "C" , Baseline minus "T" Subscript, "A" "B" "D" , BaselineTBCD=TABC−TABD
