SOLUTION: For safety reasons, the manufacturer of a ladder recommends that it be used in such a way that the base of the ladder is no farther than 91 cm from the base of the wall it is leani

Algebra ->  Pythagorean-theorem -> SOLUTION: For safety reasons, the manufacturer of a ladder recommends that it be used in such a way that the base of the ladder is no farther than 91 cm from the base of the wall it is leani      Log On


   



Question 1036027: For safety reasons, the manufacturer of a ladder recommends that it be used in such a way that the base of the ladder is no farther than 91 cm from the base of the wall it is leaning against. If the ladder is 350 cm long, What angle does the ladder make with the ground?
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
If you draw the right triangle diagram you will see that the angle you are considering is found by taking the inverse cosine of 91/350...
cos^(-1)(x) = 91/350 = .26 so that
Angle x = 74.93 degrees