A ladder 6m long leans against a vertical wall so that it makes an angle of 60o with the wall. Calculate the distance of the foot of the ladder from the wall
a
3m
b
6m
c
2√3m
d
3√3m
e
6√3m
Explanation
Correct Option
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Discussions (9)

tyjesma
11 years ago
Wrong admin!...here we were given d -hypotenuse=6(I.e the length of the ladder which leanS against d wall) and we were asked to find the distance of the wall to the foot of the ladder(I.e the adjacent)...remember d angle it makes with d wall(60 degrees)...from SOH CAH TOA, wah we have in common here is the "CAH" I.e the A&H which is adjacent and hypotenuse...solving---cos60=A/H...wen we substitute, we get Cos60=x/6 whr 'X' is d foot of d ladder.wen we cross-multiply we get Cos60*6 whr cos60=1/2. .'. 1/2*6= 3...

ABRAHAM TAIYE JOSEPH
9 years ago
USE THE LADA MAKES ANGLE WITH D WALL NOT CONSINDERIN ANGLE OF D FOOT WIT TH GROUND



