c)C/m đc AH.AD=AE.AC(tự c/m)
Mà AE.AC=AP.AK(AEP=ABC=AKC)
nên AH.AD=AP.AK=>AP/AH=AD/AK
Lại có AD/AK=AQ/AM(Talet)=>AP/AH=AQ/AM=>đpcm(Talet đảo).Cảm ơn @huonggiangnb2002 nhé.
ý quên hình.![geogebra-export (4).png geogebra-export (4).png](https://diendan.hocmai.vn/data/attachments/9/9171-93813eb72834b58c055ed9212d9aee90.jpg)
Mà AE.AC=AP.AK(AEP=ABC=AKC)
nên AH.AD=AP.AK=>AP/AH=AD/AK
Lại có AD/AK=AQ/AM(Talet)=>AP/AH=AQ/AM=>đpcm(Talet đảo).Cảm ơn @huonggiangnb2002 nhé.
ý quên hình.
![geogebra-export (4).png geogebra-export (4).png](https://diendan.hocmai.vn/data/attachments/9/9171-93813eb72834b58c055ed9212d9aee90.jpg)
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