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
- 3.962m
The correct answer is: C
Explanation
Sin θ = \(\frac{opp}{hyp}\) → \(\frac{x}{6}\)
cross multiply:
sin53º * 6 = x
0.7986 * 6
4.792m