SOLUTION: From a mountain 4000 feet above a fort, its angle of depression is 16degrees 45minutes. Find the line-of-sight distance from the mountain to the fort.
Algebra.Com
Question 468843: From a mountain 4000 feet above a fort, its angle of depression is 16degrees 45minutes. Find the line-of-sight distance from the mountain to the fort.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
sin(16.75) = 4000/d
d = 4000/sin(16.75)
d =~ 13879 ft
RELATED QUESTIONS
A airplane at an altitude of 63,000 feet sees another airplane flying at 41,000 feet.... (answered by josgarithmetic,MathTherapy)
A boat is viewed from the top of a hill which is 2000 feet above the sea its angle of... (answered by Awesom3guy)
A lighthouse keeper observes that there is a 3 degree angle of depression between the... (answered by scott8148)
. From the top of a tower, the line of sight to a cottage, has an angle of depression of... (answered by ankor@dixie-net.com)
The sonar of a navy cruiser, sailing on the surface of the ocean, detects a submarine... (answered by josgarithmetic,math_tutor2020)
A helicopter is flying at a height of 1000 feet above a small mountain peak as show in... (answered by mananth)
A plane is flying at an elevation of 24000 feet.
It is within sight of the airport and (answered by Mathtut)
A man stands at the top of a 105 foot light house and sees a boat. The angle of... (answered by nerdybill,stanbon)
A plane is flying at an elevation of 21000 feet.
It is within sight of the airport and (answered by ankor@dixie-net.com)