SOLUTION: A 13 foot ladder is positioned against a wall so that the base of the ladder is 5 feet from the wall. How high is the top of the ladder above the ground?

Question 937370: A 13 foot ladder is positioned against a wall so that the base of the ladder is 5 feet from the wall. How high is the top of the ladder above the ground?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
h = sqrt( aa + bb )
13 = sqrt( aa + 5*5 )
13^2 = ( sqrt( aa + 5*5 ) )^2
169 = aa + 25
aa = 169 - 25
a = sqrt( 169 - 25 )
a = 12
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answer:
12 feet above the ground
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