Height and Distance - Arithmetic Aptitude Questions and Answers

Home / Arithmetic Aptitude / Height and Distance :: Discussion

Discussion :: Height and Distance

The angle of elevation of a ladder leaning against a wall is 60Ãƒ€š° and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is:

2.3 m

4.6 m

7.8 m

9.2 m

View Answer

Workspace

Whatsapp
Facebook
Copy
Copy URL

View Answer

Answer : Option D

Explanation :

Let AB be the wall and BC be the ladder.

Then, ACB = 60° and AC = 4.6 m.

	$\frac { AC } { BC }$ = cos 60° = $\frac { 1 } { 2 }$
	$\frac { AC } { BC }$ = cos 60° = $\frac { 1 } { 2 }$

BC	= 2 x AC
	= (2 x 4.6) m
	= 9.2 m.

Write your comments here:

Be The First To Comment

Comments

Name