Find the angular elevation of the Sun when the shadow of

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Find the angular elevation of the Sun when the shadow of a 15 metre long pole is (15 / √3) metre.

A' ⇒ Position of sun
AB = Height of pole = 15 metre

BC = Length of shadow =	15	metre
	√3

∴ tanθ =	AB	=	15	= √3
	BC		(15 / √3)

⇒ tanθ = tan60°
⇒ θ = 60°