diketahui prisma dengan alas segitiga siku" mmpunyai pnjg sisi 8cm, 15cm, 17cm. jika pbjg rusuk tegak 24cm hitunglh luas permukaan prisna trsbut.
liwonsubagyo
L.alas = 1/2 x a x t = 1/2 x 8 x 15 = 60cm² Keliling = a + b + c = 8 + 15 + 17 = 40cm Lp = K.a x t + 2 x L .alas = 40 x 24 + 2 x 60 = 960 + 120 = 1.080cm²
= 1/2 x 8 x 15
= 60cm²
Keliling = a + b + c
= 8 + 15 + 17
= 40cm
Lp = K.a x t + 2 x L .alas
= 40 x 24 + 2 x 60
= 960 + 120
= 1.080cm²