若$ \angle AVB = 60^\circ $，则 $\triangle VAB$ 底边 $\overlineAB = 2r = 12$ cm，

若$ \angle AVB = 60^\circ $，则 $\triangle VAB$ 底边 $\overlineAB = 2r = 12$ cm， - Get link 4share

📅 March 9, 2026 👤 scraface

Mar 09, 2026

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