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22/7 x 14 dm x 14 dm = 616 dm2
616 x 100 cm2 = 61.600 cm2 ( A )
diameter = 28 dm = 280
Jari -jari = 140 cm
(Titik Berarti Kali)
Luas =
Luas =
Luas =
Luas =
Luas =
Semoga membantu
Jawaban (A)