http://img24.imageshack.us/img24/2896/trjktz.png
Oblicz pole trójkąta ABD
Z góry thx ;*
Pabc=5*4/2=10
Pabc=6*h/2+4*h/2=5h
5h=10
h=2
Pabd=6*2/2=6 jednostek kwadratowych :)
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Pabc=5*4/2=10
Pabc=6*h/2+4*h/2=5h
5h=10
h=2
Pabd=6*2/2=6 jednostek kwadratowych :)