The ladder has a length of 3.5 meters. It is leaning against the wall, so the bottom end is 2 meters from the wall. Find the height of the ladder.

Correct answer:

x =  2.8723 m

Step-by-step explanation:

c=3.5 m a=2 m  c2= a2+x2  x=c2a2=3.5222=2.8723 m

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