valeriaarangoo valeriaarangoo

16-02-2017
Mathematics

contestada

A person walking down the street notices his shadow. If the angle of elevation from the tip of the shadow to the sun is 60° and the length of the shadow is 5 feet, what is the distance from the top of his head to the tip of his shadow (round to 2 decimal places)?

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nobillionaireNobley nobillionaireNobley

20-02-2017

LEt the required distance be x, then
5/x = cos 60
x = 5 / cos 60 = 5 / 0.5 = 10 feet.

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