Cosine theorem Sine theorem?
Can someone help me with number 2 b
(1 votes)
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aus a) kennst du nun AC
bei b) gesucht ist die Höhe auf AB
mit sinus(68°) = Höhe/AC erhält man sie
Gamma = 180° -68° – 49° = 63° ;
sin(ß)/sin (Gamma) = b / 140 m; ;
Die Mindestlänge muß gleich sein der Höhe des Dreiecks ABC ,