Height 40911

At what height does the 15 m ladder touch the wall if its lower end is 2.5 m away from the wall?

Correct answer:

x =  14.7902 m

Step-by-step explanation:

c=15 m a=2.5 m  c2=a2+x2  x=c2a2=1522.52=14.7902 m

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