volume bangun tersebut

v balok= p.l.t
= 10.10.10
=1000cm³
v prisma= Laxt
=1/2x5x10x10
=5x5x10
=250cm³
v total=1250cm³

vol kubus
=10×10×10
=1000
vol prisma
=1/2×5×10×10
=250
jml=1250 cm³