Answer:Volume = 1500[tex]cm^{3}[/tex]Step-by-step explanation:Volume of Pyramid can be calculated by the formula :V=[tex]\frac{I.W.H}{3}[/tex] Here L,W,H are the length width and height of Pyramid.In the given figure l=20 cm,w=15 cm and height h= 15 cm.Substituting these values in the formula :V=[tex]\frac{(20)(15)(15)}{3} =1500[/tex]V=1500[tex]cm^{3}[/tex]