Tegak lurus: Difference between revisions
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Dengan menggunakan aturan sinus, kita dapat mencari panjang garis AB<br>
<math>
\frac{AB}{sin(a)} = \frac{r}{sin(x)} \\ \\▼
\frac{AB}{\sin
</math>
<br>
Besar <math>\sin
<math>
\angle a = 180 - 2x \\
\sin
\sin
</math>
Line 28 ⟶ 29:
<math>
\frac{AB}{\sin
\frac{AB}{2 \sin
AB = 2r \cos
</math>
Panjang AB bergantung pada <math>\cos
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