Question

The height of a tower is 12 m.claculate the length of its shadow when sun’s altitude is 45degree

Answer 1

The answer is 12 m
$tan \: 45 {}^{0 } = \frac{p}{b}$
$tan \: {45}^{o} = \frac{p}{12}$
$1 = \frac{p}{12}$
p=12