For the given figure, name a point of concurrence and lines segments concurrent at that point.

 

For the given figure, name the points lying in the interior of the circle.

For the given figure, name a minor arc.

For the given figure, name a diameter and its point of intersection with chord $\mathrm{AC}$.

For the given figure, name a radius.

For the given figure, name the type of quadrilateral $\mathrm{ABCD}$.

For the given figure, name the following

All the angles with vertex $\mathrm{B}$

For the given figure, name the diagonals of quadrilateral $\mathrm{ABCD}$.

Name two right-angled triangles for the following figure.