解答题-证明题 适中0.65 引用3 组卷298
在△ABC和△AED中,AC交DE于点O,
,
,
,连接BE,CD.
(1)如图1,求证:
;
![](https://img.xkw.com/dksih/QBM/2022/1/6/2895528172240896/2958737065336832/STEM/393393e1-6ebd-4bb6-9826-58abcb724c9f.png?resizew=239)
图1
(2)如图2,延长DE交BC于点F,若
,求∠AEB的度数;
![](https://img.xkw.com/dksih/QBM/2022/1/6/2895528172240896/2958737065336832/STEM/c6ecf824-1d9e-4ed0-b5bf-b2b82fa144dc.png?resizew=246)
图2
(3)如图3,在(2)的条件下,当
时,过点C作
交DF于点P,若
,求△FCP的面积.
![](https://img.xkw.com/dksih/QBM/2022/1/6/2895528172240896/2958737065336832/STEM/189e43f3-9f1b-4852-8a83-a147ba8bd006.png?resizew=256)
图3
(1)如图1,求证:
![](https://img.xkw.com/dksih/QBM/2022/1/6/2895528172240896/2958737065336832/STEM/393393e1-6ebd-4bb6-9826-58abcb724c9f.png?resizew=239)
图1
(2)如图2,延长DE交BC于点F,若
![](https://img.xkw.com/dksih/QBM/2022/1/6/2895528172240896/2958737065336832/STEM/c6ecf824-1d9e-4ed0-b5bf-b2b82fa144dc.png?resizew=246)
图2
(3)如图3,在(2)的条件下,当
![](https://img.xkw.com/dksih/QBM/2022/1/6/2895528172240896/2958737065336832/STEM/189e43f3-9f1b-4852-8a83-a147ba8bd006.png?resizew=256)
图3
21-22八年级上·安徽亳州·期末
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