hitunglah luas permukaan bola yang berjari jari 14 cm
r = 14 cm
Luas permukaan bola
Lp = 4 × π × r²
Lp = 4 × 22/7 × 14²
Lp = 4 × 22/7 × (14 × 14)
Lp = 4 × 22/7 × 196
Lp = 4 × 22 × 28
Lp = 2.464 cm²
[answer.2.content]100 Great Breads: The Original Bestseller
100 Great Breads: The Original Bestseller
r = 14 cm
Luas permukaan bola
Lp = 4 × π × r²
Lp = 4 × 22/7 × 14²
Lp = 4 × 22/7 × (14 × 14)
Lp = 4 × 22/7 × 196
Lp = 4 × 22 × 28
Lp = 2.464 cm²
[answer.2.content]