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VLD [36.1K]
3 years ago
15

The observation deck is about 20 m above sea level. From the observation deck, the angle of depression of the boat is 6 degrees.

How far is the boat from the lighthouse?
Mathematics
1 answer:
Leno4ka [110]3 years ago
7 0
 θ\ 6 degrees
     \
       \     so the θ= 180-90-6 =84 degrees so we need to find x  
20m   \      tan (84)=x/20 
  ____  \      x=20 tan(84) 
      x         x=190.287   
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