To calculate the length of a shadow you will need to dive the height of the object by the tangent of the angle from the object the light source. Formula L=H/tan(a) First, determine t

Hello everyone, 

To calculate the length of a shadow you will need to dive the height of the object by the tangent of the angle from the object the light source.

Formula L=H/tan(a)

First, determine the height

-measure or calculate the height of the person or object.

Second, determine the angle of the light

-measure the angle from the surface of the shadow to the source of light.

Third, calculate the shadows length

-calculate the length of the shadow using the equation above.

The length of the shadow depends on your height and where the sun or source of light behind you is in relation to the ground. The lower the angle of the sun the longer the length of the shadow, and the taller you are the longer the shadow

1⋅(5m)=45∘

multiply 5 by 1

5⋅m=45∘

divide each term in 5⋅m=45 by 5

5⋅m5=45∘5 the we simplify the left the 5 top and bottom cancel out, then divide m by 1.

m=45∘5 simplify the right divide 45∘by 5

m=9

Reference:

https://www.youtube.com/watch?v=hpb0EhhNv8kLinks to an external site.