luas juring AOB adalah...cm²
a.326,67
b.344.67
c.402,67
d.418,67
TOLONG DI JWB PLSS NNTI DIKUMPUL
a.326,67
b.344.67
c.402,67
d.418,67
TOLONG DI JWB PLSS NNTI DIKUMPUL
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Jawaban:
D. 418,67
Penjelasan dengan langkah-langkah:
L = <AOB/360° × Luas lingkaran
L = <AOB/360° × πr²
L = 30°/360° × (3,14 × 40²)
L = 1/12 × (3,14 × 1.600)
L = 1/12 × 5.024
L = 418,67 cm²
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