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Verified answer
Matematika¤ Bab = Bangun Datar
¤ Materi = Lingkaran
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Penyelesaian :
Keliling Lingkaran
= 2 x π x r
= 2 x 22/7 x 21 cm
= 2 x 22 x 3 cm
= 132 cm
Panjang Lintasan
= K. Lingkaarn x 2500
= 132 cm x 2500
= 330.000 cm
= 3,3 km
Jawabannya B.
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