A=(3;2)
B=(6;5)
C=(1;10)
AB=[3;3]
AC=[-2;8]
d(AB;AC)= 3*8-3*(-2)=30
P=1/2 * d(AB;AC) -> P=1/2*30=15
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A=(3;2)
B=(6;5)
C=(1;10)
AB=[3;3]
AC=[-2;8]
d(AB;AC)= 3*8-3*(-2)=30
P=1/2 * d(AB;AC) -> P=1/2*30=15
Odpowiedź to 15 jednostek kwadratowych