sebuah kerucut jari jari alas 7 cm,jika tinggi kerucut 21 cm,hitunglah volume kerucut tersebut!
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Jawaban:
1.078 cm³
Penjelasan dengan langkah-langkah:
v kerucut
= ⅓πr²t
= ⅓×22/7×7×7×21
= ⅓×3.234
= 1.078 cm³
Jawaban:
~Bangun ruang
V = 1/3 × π × r × r × t
= 1/3 × 22/7 × 7 × 7 × 21
= 1/3 × 22 × 7 × 21
= 1/3 × 3.234
= 1.078 cm^3