Answer:
(Referring to the Washington monument) 15 feet
Step-by-step explanation:
According to the data provided by the government , The height of this monument is around 152.4 meters and the elevation of the base of Washington Monument on the National Mall is around 4.6 meters.
Since 1 feet is equal to : 0.3048 meters, the base of the monument in feet would be:
4.6 / 0.3048
= 15 Feet (approximately)