Question

Q.
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Tentukan Luas permukaan dan volume Bola jika di ketahui jari jari nya 9 cm.
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Answer 1

LP = 4 × π × r²

LP = 4 × 3,14 × 9²

LP = 4 × 3,14 × 81

LP = 12,56 × 81

LP = 1.017,36 cm²

V = 4/3 × π × r³

V = 4/3 × 3,14 × 9 × 9 × 9

V = 4 × 3,14 × 3 × 9 × 9

V = 3.052,08 cm³

Answer 2

Luas Permukaan Bola

= 4 × π × r²

= 4 ×3,14 × 9²

= 4 × 3,14 × 81

= 4 × 254,34

= 1.017,36 Cm²

Volume Bola

= 4/3πr³

= 4/3 × 3,14 × 9³

= 4/3 × 3,14 × 729

= 4 × 3,14× 243

= 4 × 763,02

= 3.052,08 Cm³

#KOREKSI ✅