Question

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Q. A vertical stick 30cm long casts a shadow 20 cm long on the ground. At the same time, a tower casts a shadow 40 m long on the ground. Determine the height of the tower.


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Answer 1

By Similarity,

$\frac{30}{20} = \frac{x}{40} \\ \\\therefore x = 60m\:\: i.e.\: height \:of \:tower \:is\: 60m$