数学公式:初中数学之矩形的面积和周长公式
2016-06-13 15:07
来源:新东方
作者:新东方
矩形
面积
设矩形的两条邻边长分别为a,b,则面积为ab.
周长
设矩形的两条邻边长分别为a,b,则周长为(2a+2b).
矩形是最普通的平行四边形,矩形具有平行四边形的一切性质。
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