SOLUTION: a building 280 feet tall casts a 30 foot long shadow. if a person stands at the end of the shadow and looks up to the top of the building. what is the angle of the person's eyes to
Algebra.Com
Question 1156232: a building 280 feet tall casts a 30 foot long shadow. if a person stands at the end of the shadow and looks up to the top of the building. what is the angle of the person's eyes to the top of the building, in degrees. assume the person's eye are 5 feet above ground level
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
a building 280 feet tall casts a 30 foot long shadow.
if a person stands at the end of the shadow and looks up to the top of the building. what is the angle of the person's eyes to the top of the building, in degrees.
assume the person's eye are 5 feet above ground level
:
Let's just move the right triangle up 5 ft, then the building is 275' above the observer,
but still 30' from the base
:
The tangent of the angle (A) of the observer's eyes to the top of the building:
tan(A) =
A = 83.77 ~ 84 degrees
RELATED QUESTIONS
A building 220 feet tall casts a 100 foot long shadow. If a person looks down from the... (answered by jojo14344)
A person 6 feet tall casts a 15 foot shadow on a building. How tall is the person who... (answered by checkley77)
3. If a 50 foot tall flagpole casts a shadow that is 40 feet long at the same time that a (answered by CharlesG2)
Could someone explain this to me? thanks so much!
A building casts a 52-foot shadow at... (answered by venugopalramana)
a building casts a shadow that is 142 ft and 5in and a person 156 cm tall casts a shadow... (answered by ankor@dixie-net.com)
The shadow of a building is 280 feet long. At the same time, a 5 foot tall boy's shadow... (answered by richwmiller,Sunsensor)
A 5-foot tall woman casts a shadow of 6 feet. At the same time, a tree casts a shadow of... (answered by Boreal)
A Flagpole casts a 75-foot shadow at the same time a tree 20 feet tall casts a shadow of... (answered by rfer)
a person 2 m tall casts a shadow 5 m long. at the same time,a building casts a shadow 24... (answered by algebrahouse.com)