88cm = K lingkaran
K = π.d
88cm = 22/7.d
d = 88 x 7/22 = 28
r = d/2 = 28/2 = 14cm
Jawabannya A
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88cm = K lingkaran
K = π.d
88cm = 22/7.d
d = 88 x 7/22 = 28
r = d/2 = 28/2 = 14cm
Jawabannya A