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1---------1000000
20---------x
x=20*1000000=20000000cm²=20a
1cm -> 10m
1cm² -> 100m²
20cm² -> x
20/x = 1/100
x=2000m² = 20a
Pozdrawiam! :)
20cm2 na w skali 1:1000 w rzeczywistosci jej powierzchnia wynosi
20*1000^2=20 000 000 cm2
teraz przerobmy na m2
m2=10 000cm2
wiec 20 000 000/10 000=2 000m2
ar=10mx10m=100m2 wiec 2000/100=20 arów
pozdro :)