A-A+
If the areas of three of the faces of a rectan
问题详情
If the areas of three of the faces of a rectangular solid are 6,10, and 15, what is the volume of the solid ?
A.30
B.90
C.150
D.300
E.450请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:A
解析:若一个长方体3个面的面积为6,10和15,该长方体(rectangularsolid)的体积是多少?解:本题的正确答案是(A)。设长方体的长,宽,高分别为l,w,h,则有:lw=6,wh=10,hl=15。长方体体积为lwh,上面三项相乘得900,so,lwh=30