A ladder 16m long leans against an electric pole. If the ladder makes an angle of 65o with the ground, how far up the electric pole does its top reach
- 6.8m
-
14.5m
- 17.7m
- 34.3m
The correct answer is: B
Explanation
Sin 65o = \(\frac{x}{16}\)x = 16x sin 65
= 16 x 0.9063
x = 14.5m