Perhatikan gambar prisma berikut! Panjang EF = 8cm, AB =16cm,AE =15cm dan BC =9cm . Luas permukaan prisma adalah ... A.864 cm2 B.900 cm2 c.1100 cm2 d.1200 cm2 p

L alas = 9×16=144cm^2
L 2 trapesium = 2×(1/2×(16+8)×15=360cm^2
L sisi belakang = 15×9=135cm^2
L sisi atas = 9×8=72cm^2
BF= akar (15^2+8^2)
= akar (225+64(
= akar (289)
= 17 cm
L sisi depan = 17×9=153cm^2
L permukaan prisma=144+360+135+72+153
=864cm^2(A)