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~LINGKARAN
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Penjelasan dengan langkah-langkah:
1.) K = π × d
K = 22/7 × 21
K = 22 × 3
K = 66 cm
2.) K = 2 × π × r
K = 2 × 3,14 × 16
K = 6,28 × 16
K = 100,48 Cm
3.) K = π × d
K = 3,14 × 25
K = 78,5 Cm
…………………..
___________
Penjelasan dengan langkah-langkah:
1.) K = π × d
K = 22/7 × 21
K = 22 × 3
K = 66 cm
2.) K = 2 × π × r
K = 2 × 3,14 × 16
K = 6,28 × 16
K = 100,48 Cm
3.) K = π × d
K = 3,14 × 25
K = 78,5 Cm