SOLUTION: the front and back walls of an a-frame cottage has the shape of an isosceles triangle. It stands 28 feet high and 20 feet wide at its base. What is the angle of elevation of its ro

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: the front and back walls of an a-frame cottage has the shape of an isosceles triangle. It stands 28 feet high and 20 feet wide at its base. What is the angle of elevation of its ro      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 1014882: the front and back walls of an a-frame cottage has the shape of an isosceles triangle. It stands 28 feet high and 20 feet wide at its base. What is the angle of elevation of its roof?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Form a right triangle with height 28 and base of 10.
The sine of the elevation angle can be found using,
tan%28E%29=OPP%2FADJ
tan%28E%29=28%2F10
E=70.3degrees