A corp optinut=Atotala a piramidei-Atotala a cubului=>2320-96=2224(m²)
Atotala a piramidei =A baza+ Alaterala=4000+1920=2320
Abaza=AB*BC=20*20=400
Alaterala=Pbaza*h=4*20*24=1920
Acub=6*l²=6*MN²=6*16=96
Vcorp obtinut=Vpiramidei-volumul cubului=3200-64=3136(m³)
*A=arie
*V=volum