Q16 of 58 Page 665

In the given figure, a tower AB is 20 m high and BC, its shadow on the ground is 20√3 m long. The sun's altitude is

Given, AB = 20 m, its shadow BC = 20√3 m. We have to find ∠ACB.



So,


∠ACB = 30°


The correct choice is A.

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