Question
Find the value$ 'x\ ',$ if:
✓
Answer
In right $\triangle A B C$,
$\tan 30^{\circ}=\frac{ AB }{ BC }$
$ \Rightarrow \frac{1}{\sqrt{3}}=\frac{10}{x}$
$ \Rightarrow x =10 \sqrt{3} \ cm .$
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