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a ladder that us 13m long is placed so that the foot is 3m from the base of a verticl wall. how far does the ladder reach up the wall ?cheeky

 May 9, 2016
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\(13^2-3^2=x^2\\ x=\sqrt{160}=12.6491106406735173\)

 

Answer: 12.6

 May 9, 2016

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