Question 127
The angle of elevation of the sun when the length of the shadow of a pole is equal to its height is:
Solution
AB is the pole and it is given that AB = BC
=> $$tan\theta=\frac{AB}{BC}$$
=> $$tan\theta=1=tan(45^\circ)$$
=> $$\theta=45^\circ$$
=> Ans - (B)
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