Question

Amatilah gambar berikut! 32 cm Luas permukaan bangun tersebut adalah ... cm2².​

Answer 1

Materi : Bangun Ruang Sisi Lengkung

Luas Permukaan Bola

Lp = 4 . π . r²

Lp = 4 . 3,14 . 16²

Lp = 1.024 cm² . 3,14

Lp = 3.215,36 cm²

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Answer 2

Verified answer

Luas permukaan bola

LP = 4πr²

LP = 4 × 3,14 × (32 ÷ 2)²

LP = 4 × 3,14 × 16 × 16

LP = 4 × 3,14 × 256

LP = 12,56 × 256

LP = 3.215,36 cm² (c.)