The length of the building using the principle of proportional relationship is 25.50 feets
- Man's height, m = 6 feets
- Man's shadow, s = 3.5 feets
- Building shadow, b = 14.875 feets
- Building height , h =?
Setting up a proportional relationship :
Man's height / shadow = Building height / shadow
6 / 3.5 = h / 14.875
Cross multiply :
3.5h = 14.875 × 6
3.5h = 89.25
Divide both sides by 3.5 to isolate h
h = 89.25 / 3.5
h = 25.50 feets
Therefore, the length of the building is 25.50 feets
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