sebuah kolam berbentuk lingkaran mempuyaikeliling 17,6 m. tentukan luas kolam itu
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Verified answer
Diameter = 7/22 x 17,6 = 5,6 mJari-jari = 5,6 / 2 = 2,8 m
Luas = 22/7 x 2,8 x 2,8 = 24,64 m^2