Name the vertically opposite angles to a and c

vertically opposite angles are …..

In the figure three lines p,q and r intersect at a point O observe the angles in the figure write answers to the following . What is the vertically opposite angle to angle1

In the figure three lines p,q and r intersect at a point O observe the angles in the figure write answers to the following. What is the vertically opposite angle to angle6

If two lines intersect at a point, then the vertically opposite angles are always.......

Name three pairs of vertically opposite angles in the figure if angleAOB=45^@ then find angle DOE

Name two pairs of vertically opposite angle in the figure.

Name two pairs of vertically opposite angles in the figure.

Give some examples of vertically opposite angles in your surroundings.

In the given figure two lines vec(AD) and vec(EC) intersect at O name two pairs of vertically opposite angles in the given figure

How many pairs of vertically opposite angles are there? Can you find them ?Measure the four angles 1, 2, 3, 4 in each of the above figure and complete the table.