The length of the shadow of a post becomes 3 metres smaller when the angle of elevation of the sun
Channel: Doubtnut
Date: 2020-05-09

The length of the shadow of a post becomes 3 metres smaller when the angle of elevation of the sun increases from `45^(@)` to `60^(@)`. Find the height of the post. [ Let `sqrt(3) = 1.732` (appeox.)]