Luas Permukaan Bola
= 4 × π × r²
= 4 × 3,14 × 17²
= 4 × 3,14 × 289
= 4 × 907,46
= 3.629,84 Cm².
~Opung~
LP = 4 × phi × r^2
LP = 4 × 3,14 × 34^2
LP = 4 × 3,14 × (34 ÷ 2)^2
LP = 4 × 3,14 × 17^2
LP = 4 × 3,14 × 289
LP = 4 × 907,46
LP = 3629,84
__
Jadi, Luas permukaan tersebut adalah 3629,84
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Luas Permukaan Bola
= 4 × π × r²
= 4 × 3,14 × 17²
= 4 × 3,14 × 289
= 4 × 907,46
= 3.629,84 Cm².
#Koreksi
~Opung~
LP = 4 × phi × r^2
LP = 4 × 3,14 × 34^2
LP = 4 × 3,14 × (34 ÷ 2)^2
LP = 4 × 3,14 × 17^2
LP = 4 × 3,14 × 289
LP = 4 × 907,46
LP = 3629,84
__
Jadi, Luas permukaan tersebut adalah 3629,84
__