Question
Sun March 15, 2015 By: Godson Babuji

The ratio of the length of a rod and its shadow is 1: root3, then the angle of elevation of the sun is   
 
     30
     45 
     60
     90
 
 where is the sun ? pls explain with a diagram

Expert Reply
Prasenjit Paul
Sun March 15, 2015
I n space increment C A B comma tan space alpha equals fraction numerator B A over denominator C A end fraction rightwards double arrow tan space alpha equals fraction numerator h over denominator h square root of 3 end fraction rightwards double arrow tan space alpha equals fraction numerator 1 over denominator square root of 3 end fraction rightwards double arrow t a n space alpha equals tan space 30 degree therefore alpha equals 30 degree A n g l e space o f space e l e v a t i o n space o f space t h e space s u m space i s space 30 degree.
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