6. Luas permukaan bangun ruang di bawah atas adalah.... A. 2.464 cm² B. 616 cm² C. 308 cm² D. 154 cm²
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Verified answer
Penjelasan dengan langkah-langkah:
LP = 4πr²
LP = 4 x 22/7 x 14² = 2464. cm²