Question

the shadow of the tower when the angle of elelvationof the sun is 45 degree found to be 10m. longer of the tower

Answer 1

$\sqrt{3} - 1 = 10 \\ 1 = \frac{10}{ \sqrt{3} - 1} \\ \sqrt{3 } = \frac{10}{ \sqrt{3} - 1} \times \sqrt{3} \\ = 5(3 + \sqrt{3} )$
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