Soal-Soal Matematika/Keliling bangun datar: Perbedaan antara revisi
Konten dihapus Konten ditambahkan
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Baris 5:
<math display="block">
\begin{align}
K &= 4 \times s \\
&= 4 \times 4cm \\
&= 16cm \\
\end{align}
</math>
Baris 18:
<math display="block">
\begin{align}
K &= 2 \times (p + l) \\
&= 2 \times (25 + 18) cm \\
&= 86cm \\
\end{align}
</math>
Baris 31:
<math display="block">
\begin{align}
K &= 3 \times s \\
&= 3 \times 10cm \\
&= 30cm \\
\end{align}
</math>
Baris 44:
<math display="block">
\begin{align}
K &= 2 \times \pi \times r \\
&= 2 \times \frac{22}{7} \times 42cm \\
&= 264cm \\
\end{align}
</math>
Baris 57:
<math display="block">
\begin{align}
K &= 2 \times (s1 + s2) \\
&= 2 \times (8 + 10)cm \\
&= 36cm \\
\end{align}
</math>
Baris 70:
<math display="block">
\begin{align}
K &= a + b + c + d \\
&= (7 + 6 + 4 + 5)cm \times 12cm \\
&= 22cm \\
\end{align}
</math>
Baris 83:
<math display="block">
\begin{align}
K &= 4 \times s \\
&= 4 \times 7 \\
&= 28cm \\
\end{align}
</math>
Baris 96:
<math display="block">
\begin{align}
K &= 2 \times (s1 + s2) \\
&= 2 \times (6 + 8)cm \\
&= 28cm \\
\end{align}
</math>
Baris 109:
<math display="block">
\begin{align}
K &\approx 2 \times \pi \times \sqrt{\frac{a^2 + b^2}{2}} \\
&\approx 2 \times 3.14 \times \sqrt{\frac{({16}^2 + {12}^2) cm^2}{2}} \\
&\approx 6.28 \times \sqrt{200} cm \\
&\approx 88.81 cm \\
\end{align}
</math>
Baris 123:
<math display="block">
\begin{align}
K &= 5 \times s \\
&= 5 \times 12cm \\
&= 60cm \\
\end{align}
</math>
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