RS=12 m
TB=1,5 m
BS=3 m
TS=3,35 m
BS/RS=TB/VR
3/12=1,5/VR
VR=(12x1,5)/3=6 m
BS/RS=TS/VS
3/12=3,35/VS
VS=(12x3,35)/3=13,4
deci inaltimea totala=6+13,4=19,4
BC=1,5 m
OB=1,5 m
OD=15 m
AB=75 cm=0,75 m
OB/OD=AB/VD
0,5/15=0,75/VD
VD=15x0,75/0,5=22,5 m
inaltimea turnului=22,5+1,5=24 m