Ответ:
KH:sin<KGH=GH:sin<GKH
KH:sin90°=13.6:sin30°
KH=13.6:0.5
KH=27.2
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Ответ:
KH:sin<KGH=GH:sin<GKH
KH:sin90°=13.6:sin30°
KH=13.6:0.5
KH=27.2