[中學] 國中幾何一題
請問為何解答裡將D,F連起來後會剛好垂直線段BC?
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06/21 15:09, , 1F
06/21 15:09, 1F
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06/21 15:24, , 2F
06/21 15:24, 2F
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06/21 16:04, , 3F
06/21 16:04, 3F
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06/21 16:04, , 4F
06/21 16:04, 4F
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06/21 16:04, , 5F
06/21 16:04, 5F
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06/21 17:11, , 6F
06/21 17:11, 6F
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06/21 17:40, , 7F
06/21 17:40, 7F
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06/21 17:40, , 8F
06/21 17:40, 8F
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06/21 17:41, , 9F
06/21 17:41, 9F
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06/21 17:42, , 10F
06/21 17:42, 10F
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06/21 17:43, , 11F
06/21 17:43, 11F
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06/21 17:43, , 12F
06/21 17:43, 12F
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06/21 17:43, , 13F
06/21 17:43, 13F
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06/21 17:43, , 14F
06/21 17:43, 14F
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06/21 20:19, , 15F
06/21 20:19, 15F
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06/21 20:19, , 16F
06/21 20:19, 16F
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