Shape of an egg is

The sum of angles in a triangle is

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

An angle which measures 0^o is called

An angle which measures 90^o is called

Angles are measured in

Shape of tube light is

An angle which measures 180^o is called

179^o is an example of

A line segment is a part of a