名校
1 . 如图,在梯形
中,
.若
,
到
与
的距离之比为
,则可推算出:
试用类比的方法,推想出下述问题的结果.在
上面的梯形
中,延长梯形两腰
相交于
点,设
,
的面积分别为
,
且
到
与
的距离之比为
,则
的面积
与
的关系是( )
![](https://img.xkw.com/dksih/QBM/2017/8/28/1761709502914560/1762619257430016/STEM/dc8aa4aaa5f347aa9d50a58507e95ade.png?resizew=193)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9acf37bf1bea6cfb930a5b0668ada9b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb8df9fecaa0b266568ad35fb8f0e019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/353325517f3fc9f52ff9cd9b06d4b074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de81df62cee56dbdd9d6c5b3bdb2cfd3.png)
上面的梯形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866862176201864acf32a1838fd7eda2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4807ca16360c0cca436e59d4be98f626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76b9a110c036957ef7834e36a995e746.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb8df9fecaa0b266568ad35fb8f0e019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/353325517f3fc9f52ff9cd9b06d4b074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc869125145c0139d92490a41bd3918.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54f562eb3c2a45d65cba066d712825a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76b9a110c036957ef7834e36a995e746.png)
![](https://img.xkw.com/dksih/QBM/2017/8/28/1761709502914560/1762619257430016/STEM/dc8aa4aaa5f347aa9d50a58507e95ade.png?resizew=193)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
A.![]() | B.![]() |
C.![]() | D.![]() |