teresasaysrawr5323 teresasaysrawr5323

04-04-2018
Mathematics

contestada

The angle of elevation of an airplane is 9. the distance to the plane is 21 km. how high is is the plane?

Respuesta :

CastleRook CastleRook

13-04-2018

The height of the plane will be found using the formula:
sin θ=[opposite]/[hypotenuse]
Thus the height will be given by:
sin 9=h/21
solving for h we get
h=21 × sin 9
h=3.285 km

Answer: 3.285 km

Answer Link

Otras preguntas

Give two examples of friction being a useful force

Can some one Please help me? Create a paraphrase of the following sentence from “The Cold Equations”: There could be no alternative—but it required a few moment

Which pair of ratios form a proportion? A. 3 : 4 and 4 : 5 B. 10 : 12 and 16 : 18 C. 7 : 10 and 10 : 14 D. 5 : 8 and 20 : 32

Which describes a major advantage of steamboats over other vessels

The celebration of Kwanzaa was meant to

What are some ways that survivors were effected by the tsunami, economically, socially, and environmentally? The Indian Ocean Earthquake

What is the difference between nomads and hunter-gatherers of ancient times?

which gilded age president was known for his integrity

1.What Canadian landform covers about half of the country? A)the Interior Plains B) the Canadian Shield C) the St. Lawrence Lowlands D) the Yukon Territory 2.Wh

Which of the following words best describes Africa? A. Country B. Continent C. Desert D. River