21/02/09 19:11:05.87 aNPXJPqr.net
(補足)
CとDの共通外接線とCとの接点をP, Dとの接点をQとすれば
⊿KC'P ∽ ⊿KD'Q
∴ C'K：KD' = C'P：D'Q = c：d,
21/02/09 19:11:05.87 aNPXJPqr.net
(補足)
CとDの共通外接線とCとの接点をP, Dとの接点をQとすれば
⊿KC'P ∽ ⊿KD'Q
∴ C'K：KD' = C'P：D'Q = c：d,
21/02/09 19:11:05.87 aNPXJPqr.net
(補足)
CとDの共通外接線とCとの接点をP, Dとの接点をQとすれば
⊿KC'P ∽ ⊿KD'Q
∴ C'K：KD' = C'P：D'Q = c：d,