Mathematics
Senior High
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解説がなく(1)の解き方がわかりません。教えてください🙏
答えは104°です。
(1)
(2)
問2 下の図で, BTは円0の接線, Bはその接点である。 角0 を求めよ。
A
(3)
a
115°
C
35°
A
E
100
C
O
B
52%
T
AN
40°C
B
T
B
* =OA 8-7
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