Page 51 - This is Your Presentation Title

1 ) What is

the length
of the

shadow

cast by a 40 ▫ Height of the flag pole = 40 feet

feet flag ▫ Solar altitude = 54 degrees
pole at 2pm ▫ Delhi (29N Lat, 77E Long). 2pm on 21st March

on 21st ▫ Sun tangent = tan ( solar altitude)

March, ▫ = tan ( 54 degrees )
= 1.37
▫
located in ▫ Length of the shadow = object height / sun
Delhi (29N tangent

Lat, 77E ▫ = 40 feet / 1.37
Long). Solar ▫ = 29.19 feet

altitude = ▫ Length of the shadow is 29.19 feet

54 degrees
(Hint: you

don’t need

to use any

software.
This is just

a simple

geometry
problem)

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