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masha68 [24]
3 years ago
6

​A jet fighter is going to land on a battleship. The angle of depression it lands at is 20 degrees. If it is 10,000 ft in the ai

r, how far across the sea will it travel?
Mathematics
1 answer:
Black_prince [1.1K]3 years ago
3 0

Answer:

10641.777 feets

Step-by-step explanation:

To obtain the distance to be traveled across the sea, we use trigonometry :

Cosθ = adjacent / hypotenus

Adjacent = 10000

Hypotenus = d

θ = 20°

Cos 20° = 10000 / d

0.9396926 = 10000 / d

d = 10000 / 0.9396926

d = 10641.777

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