Trig With Picture ASAP

Answer:
18
Step-by-step explanation:
V=a^3
a=∛1000=10
volume=1000 cm^3=10*10*10
one side =10 cm
to find the measure of AB (the diagonal)=10√3 =17.32
the smallest dispenser has to be greater than 17.32
the smallest amount is 18