Answer:
the water tower is 143 3/4 feet
Explanation:
5ft 9in height
4ft silhouette
Convert 9in to ft = 9/12 so height = 5 9/12 = 23/4
Ratio of height to silhouette is (23/4) / 4
X = 100 the height of the building
Set up a proportion (23/4)/4 = X/100
X = 143 3/4 ft