The common end point where the two rays meet is called

Shape of an egg is

An angle which measures 90^o is called

An angle which measures 180^o is called

Angles are measured in

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

A  triangle with two sides equal is

The sum of angles in a triangle is

An angle which measures more than 0^o and less than 90^o is called

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