Wind Turbine Height on Approach

The top of an off-shore wind turbine can be sighted from the deck of your yacht from a point 252 meters from the base of the wind turbine with an angle of elevation that doubles as you sail 172 meters closer to the base of the wind turbine. How tall is the wind turbine?

  1. 144
  2. 150
  3. 12 √161
  4. 152
  5. 13 √143


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