first, you have to convert 3m to cm.
3m = 300cm
after that, you calculate for the area. (if you dont remember, the equation is A=wl.) the answer is 39000cm, or 390m.
Answer:
The answer to your question is 3.9 m or u can also write it like this 3.9 m² or like this 3.9 millimeter you choose
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