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Verified answer
Mapel : matematikabab : lingkaran
Luas = πr²
616 = πr²
r² = 616/π
r² = 616/22×7
r² = 196
r = √196
r = 14
Keliling
K = 2πr
K= 2×22/7×14
K = 2×44
K = 88cm
maka kelilingnya adalah 88cm