SSC CPO SI and ASI Model Paper 2

Question : 132 of 200

Marks: +1, -0

A ladder of length 4.5 m is leaning against a wall. If the angle of elevation of the ladder is 30°, then distance between foot of the ladder and the wall is

3.9 m
4.9 m
5 m
6 m

Validate

Solution:

(1) Let the distance between foot ofthe ladder and the wall is x m.

cos

30°=x/4.5

⇒√3/2⇒x= 3.9m

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