BROWSE in JAPAN

Calculate angle SOT to the nearest degree.(Use Sine Rule) The diagram shows the relative positions of Osaka (O), Tokyo (T) and Sapporo (S) in Japan. ST = 150 km, TO = 100km and angle STO = 1100

1. a) Calculate OS the distance from Osaka to Sapporo to the nearest whole number. (Use Cosine Rule)
2. a) Calculate angle SOT.(Use Sine Rule)
   
   b) Find the area of the triangle STO.
   

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