Jawab:
[tex]tan\ 45 = \frac{AD}{8} = > AD = 8cm\\\\tan\ 30 =\frac{8}{BD} = > BD = 8\sqrt{3}cm \\\\sin\ 30 = \frac{8}{AB}= > AB=16cm \\\\cos\ 45=\frac{8}{AC} = > AC=8\sqrt{2}cm\\\\ BC = BD-CD = > 8\sqrt{3} -8cm[/tex]
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Jawab:
[tex]tan\ 45 = \frac{AD}{8} = > AD = 8cm\\\\tan\ 30 =\frac{8}{BD} = > BD = 8\sqrt{3}cm \\\\sin\ 30 = \frac{8}{AB}= > AB=16cm \\\\cos\ 45=\frac{8}{AC} = > AC=8\sqrt{2}cm\\\\ BC = BD-CD = > 8\sqrt{3} -8cm[/tex]