Penjelasan dengan langkah-langkah:
L = πrs
188,4 = 3,14 × 6 × s
188,4 = 18,84 × s
s = 188,4/18,84
s = 10 cm
t² = s² - r²
t² = 10² - 6²
t² = 100 - 36
t² = 64
t = √64
t = 8 cm
V = ⅓ × πr² × t
V = ⅓ × 3,14 × 6² × 8
V = ⅓ × 3,14 × 36 × 8
V = ⅓ × 3,14 × 288
V = ⅓ × 912,96
V = 304,32 cm³
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Penjelasan dengan langkah-langkah:
cari garis pelukis
L = πrs
188,4 = 3,14 × 6 × s
188,4 = 18,84 × s
s = 188,4/18,84
s = 10 cm
cari tinggi kerucut
t² = s² - r²
t² = 10² - 6²
t² = 100 - 36
t² = 64
t = √64
t = 8 cm
Volume kerucut
V = ⅓ × πr² × t
V = ⅓ × 3,14 × 6² × 8
V = ⅓ × 3,14 × 36 × 8
V = ⅓ × 3,14 × 288
V = ⅓ × 912,96
V = 304,32 cm³
semoga bermanfaat