volume tabung 3768 cm³ dn diameter 20 cm, brpkh tinggi tabung tersebut...
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bantu y kak pakai cara
[tex] \rm V = \pi \times {r}^{2} \times t [/tex]
[tex] \rm 3.768 = 3,14 \times {( \dfrac{d}{2} )}^{2} \times t [/tex]
[tex] \rm 3.768 = 3,14 \times {( \dfrac{20}{2} )}^{2} \times t [/tex]
[tex] \rm 3.768 = 3,14 \times {10}^{2} \times t [/tex]
[tex] \rm 3.768 = 3,14 \times (10 \times 10) \times t [/tex]
[tex] \rm 3.768 = 3,14 \times 100 \times t [/tex]
[tex] \rm 3.768 = 314 \times t [/tex]
[tex] \rm 3.768 = 314t [/tex]
[tex] \rm 314t = 3.768 [/tex]
[tex] \rm t = \dfrac{3.768}{314} [/tex]
[tex] \rm t = \bold{12~cm} [/tex]
Jawaban:
12 cm
Penjelasan dengan langkah-langkah:
- V = πr²t
- t = V/(πr²)
- t = 3768/(3,14x10²)
- t = 3768/314
- t = 12 cm
Semoga membantu :)
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