State the rays of which seg $QR$ is a subset.

 Write the pair of opposite rays with common end point $R$.

Write any two rays with common end point $S$.

Write the intersection set of ray $SP$ and ray$ST$.

State the points which are equidistant from point $B$.

Write a pair of points equidistant from point $Q$

 Find $d(U,V), d(P,C), d(V,B), d(U,L).$

Write the following statement in ‘if-then’ form.

 The opposite angles of a parallelogram are congruent.

Write the following statement in ‘if-then’ form.

The diagonals of a rectangle are congruent.