Penjelasan dengan langkah-langkah:
9. Lingkaran Besar
K = π × d
= 22/7 × 35
= 22 × 5
= 110 cm
= 110 - 20
= 90 cm
Lingkaran kecil
= 3,14 × 20
= 62,8 cm
Lingkaran besar + Lingkaran kecil
90 + 62,8
= 152,8 cm
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Verified answer
Penjelasan dengan langkah-langkah:
9. Lingkaran Besar
K = π × d
= 22/7 × 35
= 22 × 5
= 110 cm
= 110 - 20
= 90 cm
Lingkaran kecil
K = π × d
= 3,14 × 20
= 62,8 cm
Lingkaran besar + Lingkaran kecil
90 + 62,8
= 152,8 cm