Answer:
4 cm
Step-by-step explanation:
V=L×W×H
V=1 litre = 1000 cm³
H= V/LW
1000/(12.5×20)=4
height= 4cm
-8.21
3
distance required=11-8=3
the equal sign
h=6
a=b x h x 0.5
9=3 x h x 0.5
9/3=3/.5=6