Jajar genjang: Perbedaan revisi

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Tag: Suntingan perangkat seluler Suntingan peramban seluler
Tag: Suntingan perangkat seluler Suntingan peramban seluler
=== Luas ===
<math>L = Alas \cdot tinggi</math>
 
=== Tinggi ===
<math>h_a = b \cdot \sin(\alpha)</math>
 
<math>h_b = a \cdot \sin(\beta)</math>
 
=== Diagonal ===
<math>\begin{array}{ccl}
e & = \sqrt{a^2 + b^2 - 2 \cdot a \cdot b \cdot \cos(\beta)}
\\ & = \sqrt{a^2 + b^2 + 2 \cdot a \cdot b \cdot \cos(\alpha)}
\end{array}</math>
 
<math>\begin{array}{ccl}
f & = \sqrt{a^2 + b^2 - 2 \cdot a \cdot b \cdot \cos(\alpha)}
\\ & = \sqrt{a^2 + b^2 + 2 \cdot a \cdot b \cdot \cos(\beta)}
\end{array}</math>
 
=== Sudut interior ===
<math>\alpha = \gamma, \quad \beta = \delta, \quad \alpha + \beta = 180^\circ</math>
 
=== Persamaan paralelogram ===
<math>e^2 + f^2 = 2 \cdot (a^2 + b^2)</math>
 
{{bangun}}
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