Mathematics
Senior High
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解説と答え教えてもらいたいです🙇🏻♀️՞
【7】 点Oは△ABCの外心で,点Iは内心である。
∠ABC の大きさを求めよ。
(2)
(1)
OA
があるから
A
✓
VB VC FOY
69
B
42°
[18][°C]
C
T
B
26
C
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