Теорема синусов
DE/sinF =EF/sinD
2√3/sinF =6*2/√3
sinF =1/2 => ∠F=30° (0°<F<180°)
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Теорема синусов
DE/sinF =EF/sinD
2√3/sinF =6*2/√3
sinF =1/2 => ∠F=30° (0°<F<180°)