tolong jawab besok dikumpul

Luas juring = α/360° × π × r^2
Luas juring = 30°/360° × 314/100 × 10^2
Luas juring = 1/12 × 314/100× 100
Luas juring = 1/12 × 314
Luas juring = 26,167 cm^2