[中學] 國三 三心性質期末考題求救
如圖,毫無頭緒,請教各位;
只想到兩外角平分線與一內角平分線交於一點,
或三角形內切圓半徑與DF平行,
但還是沒有破題關鍵,
不知有沒有東西疏漏的,煩請給予解答或提示,謝謝。
(此題為秀峰高中國中部期末試題。)
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01/20 18:11, , 1F
01/20 18:11, 1F
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01/20 18:12, , 2F
01/20 18:12, 2F
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01/20 18:12, , 3F
01/20 18:12, 3F
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01/20 18:12, , 4F
01/20 18:12, 4F
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01/20 18:13, , 5F
01/20 18:13, 5F
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01/20 18:15, , 6F
01/20 18:15, 6F
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01/20 18:16, , 7F
01/20 18:16, 7F
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01/22 09:11, , 8F
01/22 09:11, 8F