mohon di jawab bo 2,3,4 ya pake caranya kalo bisa

3.) a. V =p.l.t
=12×8×6
=..... cm3
L.permukaan= 2(pl+lt+pt)
= 2.(96+48+72)
=2× 216
=.... cm2
b. V=p.l.t
=15.12.8
=... cm3
L.permukaan= 2(pl+lt+pt)
= 2.(180+96+120)
= 2× 396
=...... cm2