Satu gelas yang berbentuk tabung,tinggi nya 0,01 km,diameter nya 10 M,hitunglah volumenya!
Rules:
- Jawaban dilengkapi Penjelasan dan cara
- Tidak boleh ngespam di komentar
- Koreksi 10 menit
- Tidak boleh minta jawaban tercerdas ataupun jawaban terverifikasi
[tex] \mathbb \color{aqua} \underbrace{JAWABAN}[/tex]
785 m³
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[tex] \mathbb \color{gold} \underbrace{RUMUS}[/tex]
=> Volume tabung :
[tex] \boxed{ \sf V = \pi \times {r}^{2} \times t} \\ [/tex]
=> Luas Permukaan Tabung :
[tex] \boxed{ \sf L = 2\pi r(r + t)}[/tex]
[tex] \\ [/tex]
=> Luas Selimut Tabung :
[tex] \boxed{ \sf L = 2 \times \pi \times r \times t}[/tex]
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[tex] \mathbb \color{orange} \underbrace{PENYELESAIAN}[/tex]
[tex] \underline{ \overline{ \boxed{\bold{diketahui}}}}[/tex]
- Tinggi (t) = 0,01 km = 0,01 × 1.000 = 10 m
- Diameter (d) = 10 m
[tex] \\ \underline{ \overline{ \boxed{\bold{ditanya}}}}[/tex]
- Volume (V)
[tex] \\ \underline{ \overline{ \boxed{\bold{jawab}}}}[/tex]
=> menentukan jari - jari (r) :
[tex] \begin{aligned} \sf r &= \sf \frac{1}{2} \times d \\ \sf r &= \sf \frac{1}{ \cancel2} \times \cancel{10} \: {}^{5} \\ \sf r &= \bold{ 5 \: m } \end{aligned} \\ [/tex]
=> menentukan Volume (V) :
[tex] \begin{aligned} \sf V &= \sf \pi \times {r}^{2} \times t \\ \sf V &= \sf 3,14 \times {5}^{2} \times 10 \\ \sf V &= \sf 3,14 \times 25 \times 10 \\ \sf V &= \bold{785 \: {m}^{3} }\end{aligned} \\ [/tex]
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[tex] \mathbb \color{red} \underbrace{KESIMPULAN}[/tex]
Jadi, volume gelas tersebut adalah 785 m³
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