It measures 3.50 metres by 3.50 metres and weights one ton.what i_英语解答

It measures 3.50 metres by 3.50 metres and weights one ton.
what is the meaning of the sentence?thanks

人气：140 ℃　时间：2019-12-10 12:10:02

解答

面积3.5X3.5平方米
重一吨
或者边长3.5m见方,重一吨