Stacru6zpurph Stacru6zpurph

17-08-2016
Mathematics

contestada

an engineer is surveying a building with a device that is 6 feet above the ground. he is 60 feet from the building and is looking with an angle of elevation of 45°. how tall is the building? ... i'm really bad at trig. x....x

Respuesta :

nobillionaireNobley nobillionaireNobley

17-08-2016

The entire system forms a right angle triangle.
Let the height of the bulding be x, then tan 45 = (x - 6)/60
60 = x - 6
x = 60 + 6 = 66

Therefore the height of the building is 66 feet.

Answer Link

ACCESS MORE ACCESS MORE ACCESS MORE ACCESS MORE

Otras preguntas

Why were the middle colonies called the breadbasket colonies?

Look at the graph below, which shows the population of the United States from 1790 to 1910

In 1381 CE peasants led by Jack Straw marched on London and petitioned the government to abolish ___________.

Halp! please which answer is a solution to the inequality 4+|t+2|<11 t<5 and t>9 t>5 or t<-9-5<t<9 -9<t<5

Which characters exchange these lines and in what order in Act I, Scene 1 of A Midsummer Night's Dream? I frown upon him, yet he loves me still. O that your fro

Which of the following cells would not have a well–defined nucleus but would have a thick cell wall and ribosomes? onion cell E. coli bacteria human brain cell

Choose the statement that describes the effect of negative population growth on developed countries. flooding lack of housing. tax revenues will not be sufficie

Paul owes PAula $.35 and has a pocket full of five cents $.10 coins and $.25 coins that he can use to pay her what is the difference between the largest in the

what threats did African Americans continue to face in the south of what measures did Congress take deal with these threats

Which branch of government has the power to pardon people found guilty of federal crimes?