Question
Write the test of similarity for triangles given in figure.
✓
Answer
In $\triangle A B C$ and $\triangle P Q R$
$\angle \mathrm{ABC} \cong \angle \mathrm{PQR}$ $\quad$ $\ldots$[Each of measure $60^{\circ}$]
$\angle \mathrm{ACB} \cong \angle \mathrm{PRQ}$ $\quad$ $\ldots$[Each of measure $30^{\circ}$]
$\therefore \triangle \mathrm{ABC} \sim \triangle \mathrm{PQR}$ $\quad$$\ldots$[ AA test of similarity ]
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