4. The
angle of elevation of a ladder leaning against a wall is 60º and the foot of
the ladder is 4.6 m away from the wall. The length of the ladder is:
A. 2.3
m B. 4.6
m
C. 7.8
m D. 9.2
m
Answer: Option D
Explanation:
Let AB be the wall and BC be the ladder.
Then, 
ACB
= 60º and AC = 4.6 m.
 BC
|
= 2 x AC
|
|
= (2 x 4.6) m
|
|
= 9.2 m.
|
Title :
Heights Q4
Description : 4. The angle of elevation of a ladder leaning against a wall is 60º and the foot of the ladder is 4.6 m away from the wall. The length o...
Rating :
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