if the Light source remains still, then ratio of obj. Height to shadow length must be always same

let the unknown shadow length is 'L '

6.6/ 19.8 = 14.7 / L

1 /3 = 14.7 / L ( 6.6/19.8 = 1/3 )

L = 14.7 x 3 ( cross multiplication)

L = 44.1 feet

if the Light source remains still, then ratio of obj. Height to shadow length must be always same

let the unknown shadow length is 'L '

6.6/ 19.8 = 14.7 / L

1 /3 = 14.7 / L ( 6.6/19.8 = 1/3 )

L = 14.7 x 3 ( cross multiplication)

L = 44.1 feet

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