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Horizontal Level and Line of Sight

A tower of he...

Question

A tower of height $100$ as its shadow as $75$ cm when the angle of sun rays with ground is.

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Solution

b"b'Let the angle be $x$
The Height of tower $100$
The length of shadow $75$
$tan x = \frac{100}{75} = \frac{4}{3} x = {tan}^{- 1} \frac{4}{3}$
'"

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