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As shown below, an observer (O) is located 900 feet from a buildina (B). The observer notices a helicopter (H) flyina at a 49° anale of elevation from his line of sight. What equation and trigonometric function canbe used to solve for the height (h of the helicopter? What is the height of the helicopter? You must show all work and calculations to receive full credit.

As shown below an observer O is located 900 feet from a buildina B The observer notices a helicopter H flyina at a 49 anale of elevation from his line of sight class=

Respuesta :

In the given righ triangle OHB

we have that

tan(O)=HB/OB --------> by TOA

substitute given values

tan(49)=h/900

solve for h

h=900*tan(49)

h=1,035.33 ft (rounded to two decimal places)

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