panjang diameter sebuah kerucut 14 cm jika tinggi kerucut 12 cm Berapa cm3 volume kerucut tersebut
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616 cm³
Pembahasan:
V = ⅓ × luas alas × t kerucut
V = ⅓ × π × r² × t kerucut
V = ⅓ × 22/7 × 7 × 7 × 12
V = ⅓ × 22/7 × 49 × 12
V = ⅓ × 22 × 7 × 12
V = ⅓ × 22 × 84
V = ⅓ × 1.848
V = 1.848/3
V = 616 cm³