一个长方体棱长总和为48厘米,底面周长为18厘米,高是3厘米,侧面积总和是多少厘米?
一个长方体棱长总和为48厘米,底面周长为18厘米,高是3厘米,侧面积总和是多少厘米?
数学人气:912 ℃时间:2019-09-06 01:36:26
优质解答
直接用底面周长×高,所以侧面积54平方厘米
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