Question
An engineer is 980 ft
from the base of a fountain at Fountain Hills,
Arizona. The angle of elevation to the top of
the column of water is 29.78. The surveyor’s
angle measuring device is at the same level
as the base of the fountain
A.280
When the top of the column of water is just half as high as in part (a), find
the angle of elevation to its top.
from the base of a fountain at Fountain Hills,
Arizona. The angle of elevation to the top of
the column of water is 29.78. The surveyor’s
angle measuring device is at the same level
as the base of the fountain
A.280
When the top of the column of water is just half as high as in part (a), find
the angle of elevation to its top.
Answers
did you make a sketch??
This is just right-angled triangle trig
tan 29.78° = h/980
h = 980tan29.78°
=appr 561 feet
so when the height is 280.5 feet
tan Ø = 280.5/980 =.28612..
Ø = 15.97°
This is just right-angled triangle trig
tan 29.78° = h/980
h = 980tan29.78°
=appr 561 feet
so when the height is 280.5 feet
tan Ø = 280.5/980 =.28612..
Ø = 15.97°
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