Berapa luas permukaan bola jika berjari 4, 10 ,dan 14 cm

Luas rumus = 4 × π × r²
= 4 × 3,14 × 4 × 4
= 4 × 3,14 × 16
= 4 × 50,24
=200,96 cm²

Luas 10
= 4 × 3,14 × 10 × 10
= 4 × 3,14 × 100
= 4 × 314
=1.256 cm²

Luas 14
= 4 × 22/7 × 14 × 14
= 4 × 22 × 2 × 14
= 4 × 616
=2.464 cm²

#semogamembantu