Jawaban:
1. 220 cm
2. 6.280 cm atau 62,8 m
3. 12.560 m
Penjelasan dengan langkah-langkah:
1. R = 14 CM
K = 2 PI R
= 2 × 22/7 × 14
= 44 CM
= 5 × 44 = 220 CM
2. R = 20 CM
= 2 × 3,14 × 20
= 125,6 cm
= 50 × 125,6
= 6.280 CM ATAU 62,8 M
3. D = 100 M
K = PI D
= 3,14 × 100
= 314 M
= 40 × 314
= 12.560 M
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Jawaban:
1. 220 cm
2. 6.280 cm atau 62,8 m
3. 12.560 m
Penjelasan dengan langkah-langkah:
1. R = 14 CM
K = 2 PI R
= 2 × 22/7 × 14
= 44 CM
= 5 × 44 = 220 CM
2. R = 20 CM
K = 2 PI R
= 2 × 3,14 × 20
= 125,6 cm
= 50 × 125,6
= 6.280 CM ATAU 62,8 M
3. D = 100 M
K = PI D
= 3,14 × 100
= 314 M
= 40 × 314
= 12.560 M