perhatikan gambar berikut! Hitunglah volume tabung di luar kerucut
Plisss jawab SUHU mtk.
Plisss jawab SUHU mtk.
Jawaban:
Volume tabung di luar kerucut artinya
V.Tabung - 2 V.Kerucut
V.Tabung = Luas alas × Tinggi
= π × r² × t
π = 22/7
r = 14 ÷ 2 = 7 cm
t = 48 cm
= 22/7 × 7² × 48
= 22 × 7 × 48
= 7.392 cm³
V.Kerucut = ⅓ × Luas alas × Tinggi
= ⅓ × π × r² × t
π = 22/7
r = 14 ÷ 2 = 7 cm
t = 48 ÷ 2 = 24 cm
= ⅓ × 22/7 × 7² × 24
= ⅓ × 22 × 7 × 24
= ⅓ × 3.696
= 1.232 cm³
Diketahui ada 2 Kerucut didalam tabung
= 2 × 1.232
= 2.464 cm³
V.Tabung - 2 V.Kerucut
= 7.392 - 2.464
= 4.928 cm³
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