Kk tlg di jwb yaaa no 1-3 mau di kmpul bsk

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Kk tlg di jwb yaaa no 1-3 mau di kmpul bsk

Kk tlg di jwb yaaa no 1-3 mau di kmpul bsk

Nomor 1.
a). Jari²= 20cm
– keliling = 125,6 cm
– luas = 1256 cm²

b). Jari²= 28 cm
– keliling = 176cm
– luas = 2464cm²

c). Diameter = 20cm
– keliling = 62,8 cm
– luas =314 cm²

d). Diameter = 42cm
– keliling =132cm
– luas = 1386cm²

Nomor 2.
a). Keliling = 8¶=25,12 cm
Jari²= 4cm

b). Keliling =20¶=62,8cm
Jari² = 10 cm

c). Keliling =35¶=110cm
Jari²= 17,5cm

d). Keliling =56¶=176cm
Jari² =28 cm

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