From the given triangle, write the altitude from vertex $P$, in $△PQR$.

From the given triangle, The angle opposite to side $PQ$ in $△PQT$ is $\angle$?

From the given triangle, write the vertex opposite to side $PR$ in $△PSR$.

From the given triangle, write the median from vertex $P$, in $△PQR$.

Name the points which are in the triangular region $PQR$.

Name the points which lie on the $△PQR$?

Name the points which lie in the exterior of $△PQR$?

A diagonal of a quadrilateral is a line segment that joins two _____ vertices of the quadrilateral.

The measure of each angle of a convex quadrilateral is _____ $180°$.