lp bangun ruang gabungan = lp prisma + lp balok
lp prisma = ( a×t:2 ) × tp
= ( 8×8:2 ) × 12
= 32 × 12
= 184
lp balok = 2 × ( p×l ) + ( p×t ) + ( l×t )
= 2 × ( 16×12 ) + ( 16×8 ) + ( 12×8 )
= 2 × ( 192 + 128 + 96 )
= 2 × 416
= 832
= 184 + 832
= 1016
jawaban = C . 1016
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lp bangun ruang gabungan = lp prisma + lp balok
lp prisma = ( a×t:2 ) × tp
= ( 8×8:2 ) × 12
= 32 × 12
= 184
lp balok = 2 × ( p×l ) + ( p×t ) + ( l×t )
= 2 × ( 16×12 ) + ( 16×8 ) + ( 12×8 )
= 2 × ( 192 + 128 + 96 )
= 2 × 416
= 832
lp bangun ruang gabungan = lp prisma + lp balok
= 184 + 832
= 1016
jawaban = C . 1016
semoga membantu : )