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Verified answer
Kelas 8 MatematikaBab Bangun Ruang
Luas sisi = 4 . π . r . r
Luas sisi = 4 . 22/7 . 42 . 42
Luas sisi = 22.176 cm²
L. permukaan bola = 4 . 22/7 . 42³
L. permukaan bola = 931392 cm ³
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