What is a Vertically Opposite Angle?

When two lines cross four angles are formed. Those angles opposite each other are called vertically opposite angles and are equal in size.

images-2.jpg <-----Vertically Opposite angles are
the angles opposite to each other, and
these angles are equal.

352b.gif <----- The angels do not have to be simply crosses
but the can be many different lines intersecting like
in this diagram


Your assignment is to find all of the angels in each of the the diagrams above. Then create one or more of your own vertically opposite angels they cannot be copies of the other diagrams and you must be able to identify two vertically opposite angels. Either number or letter each of your angels.