Answer:
A. 1500 cm³
Step-by-step explanation:
1) the formula of the required volume is:
[tex]V=\frac{1}{3}*A_{base}*h;[/tex]
2) according to the formula above the Area of the base is 20*15; the height is 15 (according to the condition), then
3) V=20*15*15/3=1500.