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Verified answer
Bangun DatarDiketahui:
K lingkaran = 462 cm
π = 22/7
Ditanya:
L lingkaran = ?
Jawab:
K lingkaran = 2 π r
462 = 2 x 22/7 x r
462 x 7/22 = 2r
147 = 2r
r = 147 : 2
r = 73,5 cm
L lingkaran = π x r x r
= 3,14 x 73,5 x 73,5
= 16963,065 cm^2
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