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Verified answer
MAPEL = MATEMATIKAKELAS = 9
BAB = BANGUN RUANG SISI LENGKUNG
diketahui =
diamater = 14cm ➡ r = 7cm
tinggi kerucut = 32 - 14 = 18cm
ditanya =
V. bandul ?
V. kerucut = ⅓πr²t
= ⅓ × 22/7 × 7 × 7 × 18
= 22 × 7 × 6
= 924 cm³
V. belahan bola = 2/3πr³
= 2/3 × 22/7 × 7 × 7 × 7
= 2/3 × 22 × 7 × 7
= 44/3 × 49
= 718,66 cm³
V. bandul =
= 924 + 718,66
= 1642,66 cm³
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