Tolong dibantu ya no 8 aja please :-)

V1=4*4*6=96cm^3
V2=5*4*(5-3,5)=5*4*1,5=90cm^3
V3=3*4*5=60cm^3
Vtotal= 96+90+60=246cm^3

V1 = 4²x6 = 96
V2 = 5x4x(5-3,5) = 20x1,5 = 30
V3 = 5x4x3 = 60

Total volume = 96+30+60 = 186 cm³