A ladder, 6m long, leans against a vertical wall at an angle 53o to the horizontal. How high up the wall does the ladder reach?
A
3.611m
B
4.521m
C
4.792m
D
7.962m
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
Sin 53 = \(\frac {h}{6} \)
h = 6 sin 53 = 6 x 0.7986
= 4.792m
Source: Myschool Past Questions Archive (Record #26589)