Question

please help! fan & medal.
An observer (O) spots a bird flying at a 55° angle from a line drawn horizontal to its nest. If the distance from the observer (O) to the bird (B) is 15,000 ft., how far is the bird (B) from its nest (N)?

8604 feet

12,287 feet

18,366 feet

21,422 feet

Answer 1

Since this is a right triangle, you can apply the basic definitions of trigonometric functions. By the definition of cosine, cos theta = adjacent / hypotenuse. cos 55 = x / 15000 Now, just solve for x. x = 15000 cos 55

Answer 2

its a

Answer 3

@izthewiz7

Answer 4

yay! thank you <3

Answer 5

no problem