1ar to pole kwadratu o boku 10 m, 1a=100m dokwadratu, 4a=400m do kwadratu, 50 a= 5000m do kwadratu, 300m do kwadratu=3a, 70m do kwadratu=0, 7a , 450 m do kwadratu=4, 5a . 1hektar to pole kwadratu o boku 100 m, 1 ha=1000 m do kwadratu, 5ha=50000 m do kwadratu, 71ha=71000m do kwadratu, 3000m do kwadratu=30a, 1 m do kwadratu=0, 01a , 20ha=2000a
Odpowiedź:
1ar to pole kwadratu o boku 10 m, 1a=100m dokwadratu, 4a=400m do kwadratu, 50 a= 5000m do kwadratu, 300m do kwadratu=3a, 70m do kwadratu=0, 7a , 450 m do kwadratu=4, 5a . 1hektar to pole kwadratu o boku 100 m, 1 ha=1000 m do kwadratu, 5ha=50000 m do kwadratu, 71ha=71000m do kwadratu, 3000m do kwadratu=30a, 1 m do kwadratu=0, 01a , 20ha=2000a