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Question 15
When a 50 decimeter long ladder is placed with the wall, it reaches upto the window only. If the window is 48 decimeter up from the land, then find out the distance of the lower face of the ladder from the wall.
Solution
from the above figure ,
we can evaluate the distance =Â $$50^2-48^2=14^2$$,
Hence option 'A' is correct.
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