A. 2880
B. 2736
C. 2592
D. 2304
Tolong kak
B. 2736
C. 2592
D. 2304
Tolong kak
Jawaban:
2.880 cm²
Penjelasan dengan langkah-langkah:
Lp kubus ( atas ) =
- = 6 × s × s
- = 6 × 12 × 12
- = 864 cm²
Lp balok ( bawah ) =
- = 2 × ( p ×l ) + ( p × t ) + ( l × t )
- = 2 × ( 36 × 12 ) + ( 36 × 12 ) + ( 12 × 12 )
- = 2 × ( 432 + 432 + 144 )
- = 2 × 1.008
- = 2.016 cm²
Lp gabungan =
- = 2.016 cm² + 864 cm²
- = 2.880 cm²
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