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Penjelasan dengan langkah-langkah:
= v tabung 1 + v tabung 2
= Οr²t + Οr²t
= 22/7 × 10,5 × 10,5 × 20 + 22/7 × 17,5 × 17,5 × 30
= 22 × 15 × 10,5 × 2 + 22 × 25 × 17,5 × 3
= 330 × 10,5 × 2 + 550 × 17,5 × 3
= 33 × 105 × 2 + 55 × 175 × 3
= 66 × 105 + 165 × 175
= 6.930 + 28.875
= 35.805 (a)
Jawaban:
A. 35.805
Penjelasan dengan langkah-langkah:
Rumus volume tabung
[tex] = \pi \: \times r^{2} \times \: t[/tex]
Volume tabung kecil
[tex] = \pi \: \times r^{2} \times \: t[/tex]
[tex] = \frac{22}{7} \times {10.5}^{2} \times 20[/tex]
[tex] = 6.930[/tex]
Volume tabung besar
[tex] = \pi \: \times r^{2} \times \: t[/tex]
[tex] = \frac{22}{7} \times {17.5}^{2} \times 30[/tex]
[tex] = 28.875[/tex]
Volume tabung gabungan
= Volume tabung kecil + volume tabung besar
= 6.930 + 28.875
= 35.805
semoga membantu ^^
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