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1. Use a calculator to determine the value of the unknown variable(s) in each of the following diagrams. Express any angle to the nearest degree, and any length to the nearest tenth.
   
   
   

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2. If the flagpole in the diagram casts a shadow that is 5.7 m long, how tall is the flagpole? Express your answer to the nearest tenth.
   
   
   
   Begin by sketching a diagram or adding the appropriate information to the diagram provided.
   
   
   
   The flagpole is approximately 12.8 metres tall.