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Title: A helicopter is hovering 1000 feet above the surface of a lake Post by: mebeme on Mar 30, 2015 A helicopter is hovering 1000 feet above the surface of a lake. The helicopter is being observed by the crew of a boat as they look upwards at an angle of 25 degrees. Twenty seconds later, the crew has to look at an angle of 70 degrees to see the helicopter. How fast was the boat traveling?
A. 60.7 mph B. 77.8 MPH C. 89 MPH D. 283.2 MPH Title: Re: A helicopter is hovering 1000 feet above the surface of a lake Post by: bio_man on Mar 30, 2015 Hope this helps...
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