A 18 m long ladder (whose foot is on the ground) leans against a wall – McqOptions

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1.	A 18 m long ladder (whose foot is on the ground) leans against a wall making an angle of 30° with the wall. What is the height (in m) of the point where the ladder touches the wall from the ground?
A.	9√3
B.	9√2
C.	(9√3)/2
D.	18
Answer» B. 9√2

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