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[tex]\begin{gathered}\boxed{ \begin{array}{lr} \boxed{\large{\sf{J= \pi \times r \times r}}} \\ \boxed{\large{\sf{K = \pi \times d~~~~~}}}\\ \\\sf{Keterangan \ \: :}\\ \begin{aligned} \sf{ L} &= \sf{ Luas~Lingkaran}\\ \sf{ K } &= \sf{Keliling~Lingkaran} \\\sf{ \pi } &= \sf{ Konstanta~Lingkaran } \\ \sf{ r } &= \sf{ Jari-Jari }\\ \sf{ d } & =\sf{ Diameter } \end{aligned} \end{array}} \begin{aligned}&~~\to \sf{r = ½d}\\ &~~\to \sf{\pi =\frac{22}{7} \: jika \: r ~atau~d = kelipatan \: 7} \\&~~\to \sf{\pi =3.14 \: jika \: r ~atau~d \ne kelipatan \: 7}\end{aligned}\end{gathered}[/tex]
[tex]\begin{aligned} \: \: \: \: \: d &= K \div \pi \\&= 440~cm \div \frac{22}{7} \\&= 440~cm \times \frac{7}{22} \\&= 20~cm \times 7 \\&= \boxed{\bold{\underline{140~cm}}} \end{aligned}[/tex]
[tex]\begin{array}{lr}\texttt{Selamat Hari Raya Idul Fitri 1444 H}\end{array}[/tex]
[tex]\boxed{\colorbox{ccddff}{Answered by Danial Alf'at | 28 - 04 - 2023}}[/tex]
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d = K / π
dengan d adalah diameter, K adalah keliling, dan π adalah konstanta pi yang bernilai 3,14.
Dalam kasus ini, diketahui keliling kolam adalah 440 cm. Maka, kita bisa menghitung diameter kolam sebagai berikut:
d = 440 cm / 3,14
d = 140 cm
Jadi, diameter kolam Toni adalah 140 cm.
Bangun Datar
[Lingkaran]
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[tex]\begin{gathered}\boxed{ \begin{array}{lr} \boxed{\large{\sf{J= \pi \times r \times r}}} \\ \boxed{\large{\sf{K = \pi \times d~~~~~}}}\\ \\\sf{Keterangan \ \: :}\\ \begin{aligned} \sf{ L} &= \sf{ Luas~Lingkaran}\\ \sf{ K } &= \sf{Keliling~Lingkaran} \\\sf{ \pi } &= \sf{ Konstanta~Lingkaran } \\ \sf{ r } &= \sf{ Jari-Jari }\\ \sf{ d } & =\sf{ Diameter } \end{aligned} \end{array}} \begin{aligned}&~~\to \sf{r = ½d}\\ &~~\to \sf{\pi =\frac{22}{7} \: jika \: r ~atau~d = kelipatan \: 7} \\&~~\to \sf{\pi =3.14 \: jika \: r ~atau~d \ne kelipatan \: 7}\end{aligned}\end{gathered}[/tex]
Penyelesaian Soal
[tex]\begin{aligned} \: \: \: \: \: d &= K \div \pi \\&= 440~cm \div \frac{22}{7} \\&= 440~cm \times \frac{7}{22} \\&= 20~cm \times 7 \\&= \boxed{\bold{\underline{140~cm}}} \end{aligned}[/tex]
[tex]\begin{array}{lr}\texttt{Selamat Hari Raya Idul Fitri 1444 H}\end{array}[/tex]
[tex]\boxed{\colorbox{ccddff}{Answered by Danial Alf'at | 28 - 04 - 2023}}[/tex]