Jawab:
Luas Lingkaran = πr^2
1386 = πr2
r = √1386/π
= 21,004 cm
d = 2r
= 2 x 21,004 = 42,008 cm
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Jawab:
Luas Lingkaran = πr^2
1386 = πr2
r = √1386/π
= 21,004 cm
d = 2r
= 2 x 21,004 = 42,008 cm