If the ratio of the height of a tower and the length of its shadow is √3 :1, what is the angle of elevation of the Sun?

The ratio of height of a tower and the length of its shadow= √3 :1

Angel of elevation = θ

tan θ = √3 :1

tan θ = √3 (∵ tan 60° = √3)

∴ θ = 60°