volume sebuah kerucut 2.152cm³ jika diameter alasnya 20cm, maka tinggi kerucut adalah....cm
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Penjelasan dengan langkah-langkah:
Diameter = 20 ÷ 2 = 10 Cm
Volume = 2.152 Cm³
Tinggi :
V = ⅓ × π × r × r × t
2.152 = ⅓ × 3,14 × 10 × 10 × t
2.152 = ⅓ × 314 × t
2.152 = 104,67t
t = 20,55 Cm
Cara =
1..)
T = Volume ÷ (1/3 x phi x r x r).
T = 2.152 ÷ (1/3 x 3,14 x (20/2) x (20/2).
T = 2.152 ÷ (1/3 x 3,14 x 10 x 10).
T = 2.152 ÷ (1/3 x 314) = 2.152 ÷ 104,67.
T = 20,55 cm.
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