pardekooper pardekooper line of sight angle of depression roo mint
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PardekooperPardekooper
PardekooperPardekooper
line of s
ight
angle of depression
ROO
Mint
PardekooperPardekooper
line of sight
angle of elevation
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A 98-ft extension ladder rest on top of a hook and ladder truck with its base 11 ft from the ground. When the angle of elevation of the ladder
is 73o, how high up the building will it reach ?
98
11
73o
x€
sinθ =opposite
hypotenuse
€
sin 73 =x
98
€
98sin 730 = x
€
94 = x
11+x=height11+94=height
105ft=height
xxxxx
989898989898
The altimeter of a jet airplane approaching O’Hare Airport in Chicago records 5900ft as it passes over the sears Tower. At the same time, the angle of depression from the plane to the near end
of the runway is 5o. How far is the plane from the base of the Sears Tower to the end of the run way.
5900
5o
5900
x
€
tanθ =opposite
adjacent
€
tan 5 0 =5900
x
€
x tan 5 0 = 5900
€
x =5900
tan 5 0
€
x = 67437.3086
=67000ft or 67000/5280=13mi
€
x = 67000 ft
5900590059005900
xxxxx
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Here comes the assignment
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