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Diameter = 16 cm
Ditanya :
Luas permukaan bola?
Pembahasan :
• Jari-jari bola (r) :
= D:2
= 16:2
= 8 cm
• Luas Bola :
= 4×pi×r^2
= 4×3,14×8×8
= 12,56 × 64
= 803,84 cm2
d = 16 cm
Ditanyakan :
Luas permukaan bola..?
Jawab :
Luas permukaan bola
= 4 × ( 1/4 × Π × d² )
= 4 × ( 1/4 × 3,14 × 16² )
= 4 × ( 1/4 × 3,14 × 256 )
= 4 × ( 1/4 × 803,84 )
= 4 × 200,96
= 803,84 cm²
Mohon koreksinya jika salah.