tolong dijawab pakai cara

Luas permukaan prisma=2xluas alas+keliling alasxtinggi
=2x(6x8:2)+(6+8+10)x12
=48+288
=336cm²

L perm = 2La + k * t
= 2.(6*8/2) + (6+8+10)*12
= 48+288
= 366 cm²

smoga membantu ;))