Panjang TU=10 cm,PQ=15 cm,QU=12 cm,dan PS= 9 cm.Luas permukaan prisma adalah....

= (TU X PS) + 2([tex] \frac{1}{2} [/tex]PQ X QU) + (SP X PT) + (SP X PQ) + (RQ X QU)
= (10 X 9) + (15 X 12) + (9 X 13) + (9 X 15) + (9 X 12)
= 90 + 180 + 117 + 135 + 108
= 630