Question 1195202
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When the angle of elevation of the sun is 60° , a vertical pole 
casts a shadow of length 5.4 metres on the horizontal ground. 
Calculate correct to 3 significant figures, the height of the pole.
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<pre>
Let x be the height of the pole, in meters.


Then  tan(60°) = {{{x/5.4}}} = {{{sqrt(3)}}}.


Hence,  x = {{{5.4*sqrt(3)}}} = 9.353074361 = 9.353 meters (rounded as requested).    <U>ANSWER</U>
</pre>

Solved.