Jari jari :
Penjelasan dengan langkah-langkah:
~penyelesaian~
jari jari = diameter ÷ 2
jari jari = 20 ÷ 2
= 10
L = π × r²
L = 3,14 × 10²
L = 3,14 × 10×10
L = 314
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Diketahui :
Ditanya :
Penyelesaian :
Jari jari :
Luas :
Penjelasan dengan langkah-langkah:
~penyelesaian~
jari jari = diameter ÷ 2
jari jari = 20 ÷ 2
= 10
L = π × r²
L = 3,14 × 10²
L = 3,14 × 10×10
L = 314