if the length of a shadow on the ground of a pole 60 m high is 20root3 m,the sun's altitude is
a) 60 b)30 c)45 d)15 ..
hey can 1 tell me hw to do this???
here sun's altitude is the angle of sun
let the sun's angle be ѳ
then,
Tan ѳ = 60/20√3
= 3/√3
Now on rationalizing the fraction we get 3√3/3 i.e. √3
And since we know that √3 = tan 60.
Therefore sun’s altitude is 60 degrees.