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A weather balloon is launched from the ground at a spot 250 yards from a 65 foot royal palm tree. What is the minimal angle of elevation at which the balloon must take off in order to avoid hitting the tree? Assume that the balloon flies in a straight line and the angle of elevation stays constant.

 Jan 21, 2020
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Right triangle

 

Hyptenuse is the flight path

One leg (opposite) is the tree     65 ft

Ohter leg is distance to tree      250 YARDS = 750 feet

 

Tan (angle ) =   opposite/ adjacent =   65/750       I think you can take it from here!  cheeky 

 Jan 21, 2020

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