Each angle of a square is measure of:

When two line segments meets at a point forming right angle they are said to be ________ to each other.

179^o is an example of :

An angle which measures 0^o is called :

Shape of tube light is :

Number of rays that can be drawn from a given point is :

A _____ has four equal sides but they are not at right angles to each other.

89^o is an example of :

The shape of a pencil box is :

A line segment is a part of a