Tolong bantu ya kakak

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Tolong bantu ya kakak ​

Jawaban:

1. 132 cm • 2. 176 cm • 3. 264 cm • 4. 226,08 cm • 5. 188,4 cm

Penjelasan dengan langkah-langkah:

Keliling Lingkaran = 2πr atau πd

1. Kel = 2 x 22/7 x 21

= 132 cm

2. Kel = 22/7 x 56

= 176 cm

3. Kel = 22/7 x 84

= 264 cm

4. Kel = 2 x 3,14 x 36

= 226,08 cm

5. Kel = 3,14 x 60

= 188,4 cm

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