Tentukan volume gabungan bangun ruang berikut !
gambar 2
volume tabung =
v = π × R × R × T
v = 22/7 × 14 × 14 × 12
v = 22/7 × 14 × 168
v = 22/7 × 2.352
v = 51.744/7
v = 7.392
volume kerucut =
v = 1/3 × π × R × R × T
v = 1/3 × 22/7 × 14 × 14 × (18 - 12)
v = 1/3 × 22/7 × 14 × 14 × 6
v = 1/3 × 22/7 × 14 × 84
v = 1/3 × 22/7 × 1.176
v = 1/3 × 25.872/7
v = 1/3 × 3.696
v = 1.232
volume gabungan = volume tabung + volume kerucut
= 7.392 + 1.232
= 8.624
jadi volume ganunganya adalah 8.624
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IG : @mohfrendyk_
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