Problema Solution
in the figure below the base of the ladder is 3 feet from the house if the ladder forms a 79 degree angle with the ground what is the length of the ladder rounded to the nearest hundredth
Answer provided by our tutors
let l = the length of the ladder
the ladder, the wall and the ground form a right triangle
cos(79) = 3/l
l = 3/(cos(79))
l = 15.72 ft
click here to see the step by step calculation
the ladder is 15.72 feet long.