Mathematics
Senior High
(2)の解き方を教えてください🙇♀️
] 203 △ABC の ∠Aの二等分線と辺BCの交点をD,
辺BCの中点をMとし, 3点A, D, M を通る円
がAB, AC と交わる点をそれぞれE, F とする。
BD=4,DC=2であるとき、次の値を求めよ。
(1) CF.CA
(2)
BE
CF
B
E
4
M/D/C
2
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