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Verified answer
Kelas 8 MatematikaBab Lingkaran
Panjang kawat minimum
= 4 . keliling lingkaran
= 4 . (3/4 . 2 . π . r + 2r)
= 4 . (3/2 . 3,14 . 50 + 2 . 50)
= 4 . (235,5 + 100)
= 4 . 335,5
= 1.342 m