SOLUTION: Use the fact that the radius of Earth is 3960 feet and 1 mile is 5280 feet to answer the following question: From the top of a 22-ft tower on a submarine, a person can see appro

Algebra ->  Formulas -> SOLUTION: Use the fact that the radius of Earth is 3960 feet and 1 mile is 5280 feet to answer the following question: From the top of a 22-ft tower on a submarine, a person can see appro      Log On


   



Question 852031: Use the fact that the radius of Earth is 3960 feet and 1 mile is 5280 feet to answer the following question:
From the top of a 22-ft tower on a submarine, a person can see approximately ____ miles? Please round to the nearest hundredth.
Thank you so much for your help

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
You can see the stars, trillions of miles away.
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If you mean to the horizon,
r = 3960*5280 = 2090800 feet (Earth's radius)
hypotenuse = 20908822 feet
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Distance to horizon = sqrt%28hyp%5E2+-+r%5E2%29
=~ 30331 feet
=~ 5.74 miles