SOLUTION: A ladder 9m long leans against a verical wall. If the foot is r m from the wall, find how far up the wall the ladder reaches. Find also the angle the ladder makes with the wall.

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Question 1202868: A ladder 9m long leans against a verical wall. If the foot is r m from the wall, find how far up the wall the ladder reaches. Find also the angle the ladder makes with the wall.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Draw and label the Right Triangle, and use some Pythagorean Theorem, simple geometric ideas, or maybe a small amount of simple Trigonometry.