Subject: General Aptitude · Chapter: Heights and Distances · Exam: · Marks: · Difficulty:
If the height of a pole is $2\sqrt{3}$ metres and the length of its shadow is 2 metres, find the angle of elevation of the sun.
Answer
Answer (as printed):
Explanation
Let AB be the pole and AC be its shadow. B Let angle of elevation, ∠ ACB = θ. Then, AB = 2 3 m, AC = 2 m. 2√3 m AB 2 3 tan θ = = = 3 ⇒ θ = 60°. AC 2 θ C A 2m So, the angle of elevation is 60°.
Explanation as extracted from the printed page; notation may be imperfect.