[tex]d)\\\\1\ km^2=0,01\ ha\\\\44\ ha =44*0,01\ km^2=0,44\ km^2\\\\e)\\\\1\ km^2=100\ ha\\\\113,83\ km^2=113,83*100\ ha=11\ 383\ ha\\\\f)\\\\wymiar\ placu:\ \ 960\ m x\ 750\ m\\\\powierzchnia\ placu:\\\\P=960*750=720\ 000\ m^2\\\\1\ m^2=0,0001\ ha \\\\720\ 000\ m^2=720\ 000*0,0001\ ha=72\ ha[/tex]
