Diketahui prisma berukuran 10 cm× 10cm×8cm. Jika tinggi limas 12 cm.Luas permukaan bangun tersebut adalah....
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a² = b² + c²
a² = 12² + 5²
a² = 144 + 25
a² = 169
a = 13cm
LP = 4 x luas segitiga + 4 x luas persegi panjang + luas alas
= 4 x 10cm x 13cm / 2 + 4 x 10cm x 8cm + 10cm x 10cm
= 260cm² + 320cm² + 100cm²
= 680cm²