During the drought the church was 28 ft above water level . The bottom of the church was 20 ft below water level . Let us use a diagram to represent this .
To get the height of the church can be calculated below . Since the bottom of the church is below sea level we can use negative sign to represent it . And the height of the church can be calculated as follows.
[tex]28-(-20)=28+20=48ft[/tex]
