Penjelasan dengan langkah-langkah:
L = L ½ bola + L selimut tabung + L selimut kerucut
L = 2πr² + 2πrt + πrs
L = (2 × 3,14 × 5²) + (2 × 3,14 × 5 × 12) + (3,14 × 5 × 13)
L = 157 + 376,8 + 204,1
L = 737,9 cm² (C)
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Jawaban:
Penjelasan dengan langkah-langkah:
Jari jari bangun tersebut:
Luas permukaan:
L = L ½ bola + L selimut tabung + L selimut kerucut
L = 2πr² + 2πrt + πrs
L = (2 × 3,14 × 5²) + (2 × 3,14 × 5 × 12) + (3,14 × 5 × 13)
L = 157 + 376,8 + 204,1
L = 737,9 cm² (C)