Classify the following triangles according to their sides.

    

Classify the following triangles according to their angles.

Write the six elements (i.e the $3$ sides and $3$ angles) of $△ABC$.

Write the side opposite to vertex $Q$ in $△PQR$.

Write the angle opposite to side $\overline{LM}$ in $△LMN$

Write the vertex opposite to side $\overline{RT}$ in $△RST$.