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tealwasp797Lv1
20 Mar 2020
Calculating a Distance: Observer at 
and 
are located on the side of a hill that is inclined 
to horizontal. The observer at 
determines the angle of the elevation to a hot-air balloon to be 
. At the same instant the observer at meaures the angle of the elevation to the balloon to be 
. If is 
down the hill from , find the distance from to the balloon.
Calculating a Distance: Observer at and are located on the side of a hill that is inclined to horizontal. The observer at determines the angle of the elevation to a hot-air balloon to be . At the same instant the observer at meaures the angle of the elevation to the balloon to be . If is down the hill from , find the distance from to the balloon.
Jamar FerryLv2
14 May 2020
from the horizontal. An observer 600 m away measures the angle of elevation to the spot of light to be 
. Find the height h of the cloud cover.
and that the angle of depression to the bottom of the tower is
. How tall is the tower? How high is the window?
tall is located at the top of a hill. From a distance of 
down the hill it is observed that the angle formed between the top and base of the tower is 
. Find the angle of inclination of the hill.
