SOLUTION: The bottom of a 13-foot long ladder is placed 5 feet away from a wall so that the ladder rests against the top. Assuming the wall is perpendicular to the ground, what is the height

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Question 127025: The bottom of a 13-foot long ladder is placed 5 feet away from a wall so that the ladder rests against the top. Assuming the wall is perpendicular to the ground, what is the height of the wall?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
5^2+x^2=13^2
25+x^2=169
x^2=169-25
x^2=144
x=sqrt144
x=12 answer.
PROOF:
5^2+12^2=13^2
25+144=169
169=169