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?
- 3.611m
- 4.521m
-
4.792m
- 7.962m
The correct answer is: C
Explanation
Sin 53 = \(\frac {h}{6} \)h = 6 sin 53 = 6 x 0.7986
= 4.792m