Asked by Anonymous
the shadow of an electric pole is 5m long when the angle of elevation of the sun is 60 degree .find the length of the shadow when the angle of elevation of the sun is 45 degree.
Answers
Answered by
Reiny
height of pole --- h
tan 60 = h/5
h = 5tan60
at 45° ,
tan45 = h/x , where x is the length of the new shadow
x =h/sin45 = 5tan60°/tan45° = ....
you push the buttons
tan 60 = h/5
h = 5tan60
at 45° ,
tan45 = h/x , where x is the length of the new shadow
x =h/sin45 = 5tan60°/tan45° = ....
you push the buttons
Answered by
alex
5√3 meters
Answered by
Anonymous
Show the figure
Answered by
sary
thanks
Answered by
Fatima umar
The length of a pole is measured as 5m to the nearest meter (1) calculate percentage error
Answer
Find the angle of depression of the sun when the flagpole 22.5m high cast a shadow 34m long
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