Question
A surveyor sights the top of a building with a handheld range finder. The top of the building is 72 feet 10 inches away. The angle of elevation is 57º. Find the distance from the surveyor to the building to the nearest foot.
Answers
wat r the choices
A-36
B-38
C-39
D-40
B-38
C-39
D-40
id say 38 wat about u?
How did you get 38? :)
72 ft, 10 inches = 72.8333... ft
cos 57 = base/72.8333..
base = 72.8333..(cos 57°) = appr 39.668 ft
so I would pick D, 40 ft
cos 57 = base/72.8333..
base = 72.8333..(cos 57°) = appr 39.668 ft
so I would pick D, 40 ft
Related Questions
Your sonic range finder measures the distance to a nearby building at 20m. The range finder is calib...
A surveyor sights two signs and the angle between the two lines of sight measures 55. If the first a...
A surveyor standing on a hill 27 feet high looks at a building across a river. The surveyor determin...