SOLUTION: You have a 5 foot long ladder, and you lean it against a wall such that the bottom of the ladder is 3 feet away from the wall. The top of the ladder touches the wall at a height of

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Question 317558: You have a 5 foot long ladder, and you lean it against a wall such that the bottom of the ladder is 3 feet away from the wall. The top of the ladder touches the wall at a height of _____ feet?
Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
For this one, we'll use A^2+B^2=C^2 (C will be the the ladder, 5 ft) Now plug in the values we have to get:
3^2+B^2=5^2 Rewritten as:
9+B^2=25 Subtract 9 from both sides to get:
B^2=16 Square root both sides to get:
B=4 feet high where the ladder touches the wall.
Make sense?
RJ
www.math-unlock.com