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1kr=4,8cm P=1/2 a*h
P=1/2 4,8*4,8cm
P=23.04*1/2
P=11.7cm(kwadratowych)
P=11.7cm*4
P=46.8cm (kwadratowych)
1kr=4,8cm P=1/2 a*h
P=1/2 4,8*4,8cm
P=23.04*1/2
P=11.7cm(kwadratowych)
P=11.7cm*4
P=46.8cm (kwadratowych)