Volume kerucut yang panjang diameter nya 28 cm dan tinggi 24 cm adalah ?
diameter (d) = 28 cm
jari jari(r) = 28 ÷ 2 = 14 cm
V kerucut :
= ⅓ × phi × r² × t
= ⅓ × 22/7 × 14 × 14 × 24
= 22 × 2 × 14 × 8
= 44 × 14 × 8
= 616 × 8
= 4.928 cm³
28/2 = 14 cm
V = 1/3 × π × r² × t
V = 1/3 × 22/7 × 14 × 14 × 24
V = 22/7 × 14 × 14 × 8
V = 22 × 2 × 14 × 8
V = 44 × 14 × 8
V = 616 × 8
V = 4928 cm³
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Volume kerucut yang panjang diameter nya 28 cm dan tinggi 24 cm adalah ?
diameter (d) = 28 cm
jari jari(r) = 28 ÷ 2 = 14 cm
V kerucut :
= ⅓ × phi × r² × t
= ⅓ × 22/7 × 14 × 14 × 24
= 22 × 2 × 14 × 8
= 44 × 14 × 8
= 616 × 8
= 4.928 cm³
28/2 = 14 cm
V = 1/3 × π × r² × t
V = 1/3 × 22/7 × 14 × 14 × 24
V = 22/7 × 14 × 14 × 8
V = 22 × 2 × 14 × 8
V = 44 × 14 × 8
V = 616 × 8
V = 4928 cm³