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Verified answer
LingkaranDiketahui:
sudut pusat = 60°
jari-jari (r) = 42 cm
Ditanya:
L juring = ?
Jawab:
Luas juring = sudut pusat : 360° x Luas lingkaran
= 60° : 360° x π x r x r
= 1/6 x 22/7 x 42 x 42
= 22 x 42
= 924 cm^2 (A).
*semoga membantu. sukses selalu ^_^