Each  angle of a square is of measure

    In figure angle AOB =

Which of the following time make more than a right angle?

89^o is an example of

An angle which measures 0^o is called

When two line segments meet at point forming right angle they are said to be _________ to each other.

The common end point where the two rays meet is called

Number of right angles formed in the given figure is

Angles are measured in