panjang tali = 4d + keliling lingkaran
panjang tali = 4(14) + (2×22/7×7)
panjang tali = 56 + 44
panjang tali = 100cm
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panjang tali = 4d + keliling lingkaran
panjang tali = 4(14) + (2×22/7×7)
panjang tali = 56 + 44
panjang tali = 100cm