pole prostakata jest rowne 60 m2. Oblicz dlugosc 2 boku tego prostakata jesli jeden z bokow ma dlugosc
a] 3dm
b] 20km
c] 2mm PROSZE O POMOC
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a) 3dm=0,3m
0,3*x=60
0,3x=60
x=200m
b)20km=20 000m
20000*x=60
20000x=60
x=0,003m=3mm
c) 2mm=0,002m
0,002x=60
x=30 000m=30km