摘要:5.如图.厨房角柜的台面是三角形.如果把各边中点的连线所围成的三角形铺成黑色大理石.其余部分铺成白色大理石.那么黑色大理石的面积与白色大理石面积的比是.
网址:http://m.1010jiajiao.com/timu_id_775418[举报]
![精英家教网](http://thumb.zyjl.cn/pic3/upload/images/201201/84/581fd91d.png)
A、
| ||
B、
| ||
C、
| ||
D、
|
厨房角柜的台面是三角形,如图,如果把各边中点的连线所围成的三角形铺成黑色大理石.(图中阴影部分)其余部分铺成白色大理石,那么黑色大理石的面积与白色大理石面积的比是( )
![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573991552/SYS201312111033495739915004_ST/images0.png)
A.![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573991552/SYS201312111033495739915004_ST/0.png)
B.![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573991552/SYS201312111033495739915004_ST/1.png)
C.![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573991552/SYS201312111033495739915004_ST/2.png)
D.![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573991552/SYS201312111033495739915004_ST/3.png)
查看习题详情和答案>>
![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573991552/SYS201312111033495739915004_ST/images0.png)
A.
![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573991552/SYS201312111033495739915004_ST/0.png)
B.
![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573991552/SYS201312111033495739915004_ST/1.png)
C.
![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573991552/SYS201312111033495739915004_ST/2.png)
D.
![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573991552/SYS201312111033495739915004_ST/3.png)
查看习题详情和答案>>
厨房角柜的台面是三角形,如图,如果把各边中点的连线所围成的三角形铺成黑色大理石.(图中阴影部分)其余部分铺成白色大理石,那么黑色大理石的面积与白色大理石面积的比是( )
![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573844997/SYS201312111033495738449004_ST/images0.png)
A.![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573844997/SYS201312111033495738449004_ST/0.png)
B.![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573844997/SYS201312111033495738449004_ST/1.png)
C.![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573844997/SYS201312111033495738449004_ST/2.png)
D.![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573844997/SYS201312111033495738449004_ST/3.png)
查看习题详情和答案>>
![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573844997/SYS201312111033495738449004_ST/images0.png)
A.
![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573844997/SYS201312111033495738449004_ST/0.png)
B.
![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573844997/SYS201312111033495738449004_ST/1.png)
C.
![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573844997/SYS201312111033495738449004_ST/2.png)
D.
![](http://thumb.zyjl.cn/pic6/res/czsx/web/STSource/20131211103349573844997/SYS201312111033495738449004_ST/3.png)
查看习题详情和答案>>