Ada yg tau jawabannya nomor 24? Minta tolong pakai cara ya

k = 22
2 × phi × r = 22
2 × 22/7 × r = 22
r = (22 × 7)/(22 × 2)
r = 3,5 cm

L = phi × r^2
= 22/7 × 3,5 × 3,5
= 38,5 cm^2 (B)

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