Question

citi metri au 4 ar (ari)

Answer 1

1ar=1dam²;
⇒1dam²=100m²;
⇒4ar=4dam²;
⇒4dam²=400m²;
⇒4ar=400m²;

Answer 2

1ar=1dam²;de unde
1dam²=100m²;
4ar=4dam²;de unde
4dam²=400m²;de unde
4ar=400m²;