SOLUTION: A ladder 6m long leans against a vertical wall so that the foot of the ladder is 3m from the wall. Find the angle of the ladder makes with the wall.

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Question 1013728: A ladder 6m long leans against a vertical wall so that the foot of the ladder is 3m from the wall. Find the angle of the ladder makes with the wall.
Answer by ikleyn(52794) About Me  (Show Source):
You can put this solution on YOUR website!
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A ladder 6m long leans against a vertical wall so that the foot of the ladder is 3m from the wall. Find the angle of the ladder makes with the wall.
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Hello,
I just presented one solution under this kink:
http://www.algebra.com/algebra/homework/Triangles/Triangles.faq.question.1013709.html

If you want another solution, please consider this one: 

sin%28alpha%29 = 3%2F6 = 1%2F2,

where alpha is the angle the ladder makes with the wall.

Hence, alpha = 30°.