What is the angle of elevation of the sun when a 30 foot flag pole casts an 18 foot shadow?

We know that the angle of elevation is  

θ

As trigonometry says,  

tan

θ

=

55 ft.

16 ft.

=  

3.4375

and tan tables give  

θ = 73 ∘ 47

'

Step-by-step explanation:

828. all there is to it!

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