anthonyvargas8780
12.01.2020 •
Mathematics
Un piloto vuela 630 millas con un viento de cola de 35 millas por hora. contra el viento, vuela solo 455 millas en la misma cantidad de tiempo. encuentra la velocidad del avión en aire quieto
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Ответ:
25641 feet
Step-by-step explanation:
It is given that An observer (O) spots a plane flying at a 55° angle to his horizontal line of sight and the plane is flying at an altitude of 21,000 feet.
Thus, from the figure, OP=x feet, PA=21,000ft and m∠O=55°
Now, using the trigonometry, we have
Substituting the given values, we get
Therefore, the distance x from the plane P to the observer O is 25641 feet.