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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___

sameer ali , 15 Years ago
Grade 11
anser 2 Answers
jee king king

Last Activity: 15 Years ago

heights & distances is not in jee syllabus!

Ramesh V

Last Activity: 15 Years ago

5624-969_5850_untitled.JPG

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

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