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				   a flag staff of height (31/2+1) mt over a tower of height 10mts throw a shadow (31/2-1 )mt on the ground.the elevation of the sun is___


6 years ago

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										heights & distances is not in jee syllabus!

6 years ago

tan x = 10/PD = 12.73/(0.73+PD)
PD = 10.cot x
on solving for tan x gives = tanx = 2.73/0.73 = 3.73
the elevation of un is : tan-1(3.73)
-
regards
Ramesh

6 years ago

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