Tugas mat besok kumpul yang bener yaa
Jawaban:
D. Lp = ( 20 × 26 ) + ( 20 × 26 ) + ( 12 × 16 ) + ( 12 × 16 )
= 520 + 520 + 624 + 192 + 192
= 2048
V = 12 × 16 × 26
= 4992
E. Lp = ( 2 × 3 ) + ( 2 × 3 ) + ( 9 × 4 ) + ( 9 × 5 )
= 6 + 6 + 27 + 36 + 45
= 120
V = ( 2 × 3 ) × 9
= 54
F. Lp = ( 3 × 8 ) + ( 3 × 8 ) + ( 10 × 15 ) + ( 8 × 15 ) + ( 6 × 16 )
= 48 + 50 + 120 + 90
= 368
V = ( 3 × 8 ) × 15
= 360
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